Reference Detail of
PUBLICATION
Edit Publication          Add/Edit Sample          Sample List
Authors: Detterman, Robert L. , Hartsock, John K.
Editors:
Date: /1966
Title: Geology of the Iniskin-Tuxedni Region, Alaska
512 , , 78 p., 6 pls.
Host: U.S. Geological Survey Professional Paper:
Document Type: Article\Abst.\Chapter\report
Annotation:
UserNote
52AJu402 , Iliamna , from the metalimestone 1.5 miles north of the terminus of Middle Glacier (description from Detterman and Hartsock, 1966, p. 12)
Spongiomorpha (Heptastylopsis) ramosa Frech
58ADt53 , Iliamna , Lower Jurassic? (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Lower Jurassic or Triassic; brecciated limestone and volcanic flow; Marsh Creek, 4.9 mi. S. 83 deg. W. of mouth; Coords. 4.20-16.37, 59 deg. 49'05"N., 153 deg. 23'20"W."]; [Detterman and Hartsock, 1966, p. 12 provide the following description: "from a silicified limestone on Marsh Creek about 3.3 miles from the tidal flats."]
impressions of fossils resembling corals
F-53 (Mesozoic loc. 19986) , Iliamna , [Shown as locality 1 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic-Tuxedni, Iniskin siltstone. Orig. no. F-53. Northeast side of Tonnie Creek about 450 feet upstream from trail crossing at mouth of canyon and 1.59 miles S 63 deg. E of Tonnie Peak. 5 feet below the top of the Iniskin siltstone. 8 feet below 5 ft. ledge of consolidated shaly greenish-gray sandstone; weathered greenish-brown. Collected by Wedow and Kellum, Sept. 24, 1944."]
Inoceramus sp.
Trigonia sp.
Pecten sp.
F-54 (Mesozoic loc. 19987) , Iliamna , [Shown as locality 1 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic-Tuxedni, Iniskin siltstone. Orig. no. F-54. SW Alaska, Cook Inlet region, Iniskin Peninsula. SW side of Tonnie Creek about 400 feet upstream from the trail crossing at mouth of canyon and 1.60 miles S 61 deg. E of the top of Tonnie Peak. 30 feet below the top of the Iniskin siltstone. Greenish-gray and rusty brown blocky sandy shale. Collected by Wedow and Kellum, Sept. 24, 1944."]
Inoceramus sp.
Pleuromya sp.
Thracia sp.
Lucina sp.
Protocardia sp.
F-52 (Mesozoic loc. 19985) , Iliamna , [Shown as locality 1 on Plate 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Iniskin siltstone. Orig. no. F-52. SW Alaska, Cook Inlet Region, Iniskin Peninsula. Northeast side of Tonnie Creek about 300 feet upstream from trail crossing at mouth of canyon and 1.62 miles S 64 deg. E of Tonnie Peak. 95 feet below the top of the Iniskin siltstone. Lens of concretionary gray sandstone in sandy shale. Collected by Wedow and Kellum, Sept. 24, 1944."]
Pinna sp.
Pholadomya sp.
49AMr40 (Mesozoic loc. 21770) , Iliamna , Tuxedni formation, probably middle siltstone member. Isolated outcrop of siltstone on northwest bank of Fitz Creek, 1.75 miles S. 83 deg. E. of Tonnie Peak, Iniskin Peninsula. (description from Imlay E&R report of 1/16/50)[Grantz transmittal sheet of Nov. 23, 1949 provides following description: "Microfossils from isolated outcrop of siltstone on NW bank of Fitz Creek, 1.75 miles S 83 E of Tonnie Peak. This outcrop is either lower or middle siltstone member of the Tuxedni--identification is critical to the interpretation of the structure. Unfortunately, only pelecypods could be found; can anything be determined from them?"]; [Shown as locality 1 on Pl. 3 of Detterman and Hartsock, 1966]
Grammatodon sp.
Inoceramus sp.
Pleuromya sp.
F-83 (Mesozoic loc. 20016) , Iliamna , [Shown as locality 16 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-83. Tuxedni ss., Iniskin siltstone. SW Alaska, Cook Inlet region, Iniskin Peninsula. Fitz Creek Valley, on northwest side of trail from the old Fitz Creek landing to the abandoned oil well I.B.A. #1. About 1500 ft. northeast of point where trail crosses Forky Creek, and 1.9 miles S 73.7 deg. E of Tonnie Peak, and 3.22 miles S 45 deg. W of mouth of Fitz Creek. Strat. Pos. 280 ft. below top of Iniskin siltstone. Lithology - gray sandy shale with a few thin beds of shaly sandstone. Coll. John Reed and Louis B. Kellum, 44NB Kellum #2 P 25, Sept. 6, 1944."]
Inoceramus sp.
No Data (Mesozoic loc. 21244) , Iliamna , [Shown as locality 41 on Pl. 3 of Detterman and Hartsock, 1966]
Erycites cf. E. kialagvikensis (White)
F-19 (Mesozoic loc. 19950) , Iliamna , [Shown as locality 2 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Iniskin Siltstone. Orig. no. F-19. SW Alaska, Cook Inlet Region, Iniskin Peninsula. South side of Gaikima Creek about 1200 ft upstream beyond the junction of South Fork of Gaikima Creek and the Main Stream, and 1.35 miles N 85 deg. E of the mouth of Fitz Creek. Coll. about 80 ft above level stream. 25 ft below top of Iniskin siltstone. Silty limestone with partings of sandy shale. Collected by Wedow and Kellum, Sept. 3, 1944."]
Pinna sp.
Inoceramus sp.
Pholadomya sp.
F-20 (Mesozoic loc. 19951) , Iliamna , [Shown as locality 2 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Iniskin Siltstone. Orig. no. F-20. SW Alaska, Cook Inlet Region, Iniskin Peninsula. Same locality as USGS Mesozoic locality no. 19950 except 20 ft lower strat. 45 ft below the top of the Iniskin siltstone. Silty limestone with partings of sandy shale. Collected by Wedow and Kellum, Sept. 3, 1944."]
Cucullaea sp.
Inoceramus sp.
Trigonia sp.
Pecten sp.
Otoites filicostatus Imlay
44AWW1 , Iliamna , [Shown as locality 2 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus sp.
Trigonia sp.
Pleuromya sp.
Pholadomya sp.
Belemnites sp.
F-18 (Mesozoic loc. 19949) , Iliamna , [Shown as locality 13 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Iniskin siltstone. Orig. no. F-18. SW Alaska, Cook Inlet Region, Iniskin Peninsula. South side of Gaikima Creek about 4000 ft upstream from Chinitna Bay and 0.82 miles N 77 1/2 deg. W in mouth of Fitz. About 1/4 of the Iniskin siltstone from the bottom. Sandy shale and/or shaly limestone with some stringers of some more finely cemented shaly sandstone. Collected by Wedow and Kellum, Sept. 3, 1944."]
Inoceramus sp.
Trigonia sp.
F-31 (Mesozoic loc. 19963) , Iliamna , [Shown as locality 22 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Iniskin Siltstone. Orig. no. F-31. SW Alaska, Cook Inlet region, Iniskin Peninsula. Small gully, south shore of Chinitna Bay and 2600 feet west of mouth of Gaikema Creek, and 0.77 mile N 46 deg. W of mouth of Fitz Creek. 630 feet below top of the Iniskin siltstone. Greenish-brown and gray shaly sandstone. Collected by Wedow and Kellum, Sept. 11, 1944."]
Crinoid columnals
Cucullaea sp.
Inoceramus sp.
Trigonia sp.
Pecten sp.
Pleuromya sp.
Pholadomya sp.
Protocardia sp.
Belemnites sp.
F-32 (Mesozoic loc. 19964) , Iliamna , [Shown as locality 22 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Iniskin Siltstone. Orig. no. F-32. SW Alaska, Cook Inlet region, Iniskin Peninsula. Same locality as loc. 19963. 10 feet lower than coll. 19963 and 640 feet below the top of the Iniskin siltstone. Thin bedded, brown to gray shaly sandstone. Collected by Wedow and Kellum, Sept. 11, 1944."]
Inoceramus sp.
Pteria sp.
Trigonia sp.
Pecten sp.
Pleuromya sp.
Pholadomya sp.
Lucina sp.
Sonninia (Papilliceras) cf. S.(P.) arenata Quenstedt
Belemnites sp.
F-36 (Mesozoic loc. 19968) , Iliamna , [Shown as locality 23 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic-Tuxedni, Iniskin siltstone. Orig. no. F-36. SW Alaska, Cook Inlet Region, Iniskin Peninsula. North side of Gaikima Creek about 700 feet upstream from mouth of South Fork and 30 feet above the stream base and 1.25 miles N 82 1/2 deg. W of the mouth of Fitz Creek. 680 feet below the top of the Iniskin siltstone. Sandy shale with thin beds of gray-green concretionary sandstone. Collected by Wedow and Kellum, Sept. 15, 1944."]
Inoceramus sp.
Pecten sp.
Belemnites sp.
F-35 (Mesozoic loc. 19967) , Iliamna , [Shown as locality 23 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-35. Tuxedni Fm., Iniskin siltstone. Southwestern Alaska, Cook Inlet Region, Iniskin Peninsula. North side of Gaikima Creek about 600 ft. upstream from the mouth of the South fork of Gaikima Creek or about 1.18 miles N 84 1/2 deg. W of the mouth of Fitz Creek. Strat. Pos. 800 ft. below the top of the Iniskin siltstone. Lithology - shaly sandstone, weathering dark green to brown usually in the form of slabs. Coll. Wedow and Kellum 44NB #2 P. 40, Sept. 15, 1944."]
Cucullaea sp.
Inoceramus sp.
Pecten sp.
Camptonectes sp.
Pleuromya sp.
Pholadomya sp.
Belemnites sp.
F-34 (Mesozoic loc. 19966) , Iliamna , [Shown as locality 26 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-34. Tuxedni Fm., Iniskin Siltstone. Southwestern Alaska, Cook Inlet Region, Iniskin Peninsula. North side of Gaikima Creek about 400 ft. upstream from the mouth of the South fork of the Gaikima river or 1.12 miles N 84 deg. W of the mouth of Fitz Creek. Strat. Pos. 880 ft. below the top of the Iniskin siltstone. Lithology - shaly sandstone interbedded with sandy shale in a belemites bed. Coll. Wedow and Kellum 44NB Kellum #2 P 38, Sept. 13, 1944."]; [19966 Helmuth Wedow, Jr. and L. B. Kellum, 1944. Iniskin Peninsula, north side of Gaikema Creek, one mile N 80° W of mouth of Fitz Creek. Siltstone about 850 feet below base of Gaikema member of Tuxedni formation. (description from Imlay, 1961, p. 469)]; [USGS Mes. Cat.: 19966. F-34 Tuxedni, Iniskin siltstone. Southwestern Alaska, Cook Inlet Region, Iniskin Peninsula. North side of Gaikima Creek about 400 ft. upstream from the mouth of the South fork of the Gaikima river or 1.12 miles N 84° W of the mouth of Fitz Creek. Strat. Pos. 880 ft. below the top of the Iniskin siltstone. Lithology - shaly sandstone interbedded with sandy shale in a belemnites bed. Coll. Wedow and Kellum 44NB Kellum #2, p. 38, Sept. 13, 1944]
Cucullaea sp.
Inoceramus sp.
Pteria sp.
Pecten sp.
Pleuromya sp.
Pholadomya sp.
Protocardia sp.
Lytoceras cf. L. eudisianum d'Orbigny
Stephanoceras sp.
Stemmatoceras cf. S. snugharborense Imlay
Parabigotites crassicostatus Imlay
Belemnites sp.
49AGz2 (Mesozoic loc. 21766) , Iliamna , [Shown as locality 6 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 49AGz2. Jurassic - Lower Siltstone mbr. Tuxedni Fm. Cook Inlet Region, west side of Cook Inlet & Chinitna district. NE 1/4 of NW 1/4 of Quadrangle 585 Alaska. Macrofossils from gully 1.6 miles west of Fitz Creek between Points 48AI7 (21296) and 48AI8 (21297) and also Millers points 15 and 16. Massive green siltstone of the upper part of the lower siltstone of the Tuxedni, 100-150 ft. below the Gaikema, (or break in slope). Coll. D. Miller, 1949."]
Trigonia sp.
Pleuromya sp.
Parabigotites sp.
58AHw17 , Iliamna , Gaikema member of the Tuxedni formation. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Gaikema member; gray, medium bedded sanstone and siltstone; south shore Chinitna Bay, 1.18 mi. N. 38 deg. W. of mouth of Fitz Creek. Coords. 11.60-16.34, 59 deg. 48'44"N., 153 deg. 10'50"W."]; [Shown as locality 8 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus sp.
58ADt45 (Mesozoic loc. 27119) , Iliamna , Lower Siltstone member. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Lower limestone member; 100 feet above Gaikema contact; greenish gray siltstone with large limestone conc.; south shore Chinitna Bay, 1.36 mi. N. 48 deg. W. of mouth of Fitz Creek; Coords. 11.34-16.31, 59 deg. 49'N., 153 deg. 11'15"W."]; [Shown as locality 3 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus lucifer Eichwald
58ADt47 (Mesozoic loc. 27116) , Iliamna , Gaikema member of the Tuxedni formation. Lower 200 feet. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Gaikema member; lower 200 feet; laminated gray-brown sandstone and siltstone with lenses of brown sandy coquina; south shore Chinitna Bay, 0.9 mi. N. 34 deg. W. of mouth of Fitz Creek; Coords. 11.83-16.17, 59 deg. 48'55"N., 153 deg. 10'28"W."]
Trigonia sp.
Camptonectes sp.
Astarte sp.
Tancredia sp.
Belemnites sp.
F-25 (Mesozoic loc. 19957) , Iliamna , [Shown as locality 17 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-25. Tuxedni, Iniskin siltstone. SW Alaska, Cook Inlet area, Iniskin Peninsula. South shore of Chinitna Bay, about 360 ft. up the second left tributary gully of small stream which is flowing almost on axis of the Gaikima Creek anticline. About 1000 ft. from its mouth at Chinitna Bay and about 1.02 miles N 55 1/2 W of the mouth of Fitz Creek. Strat. Pos. in the lower most fourth of the Iniskin siltstone member above coll. 19965 and below coll. 19966. Lithology - shaly sandstone. Coll. Wedow and Kellum 44NB #2 P 28, Sept. 6, 1944."]
Cucullaea sp.
Astarte sp.
Witchellia sp.
F-26 (Mesozoic loc. 19958) , Iliamna , [Shown as locality 17 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-26. Tuxedni, Iniskin siltstone. SW Alaska, Cook Inlet Region, Iniskin Peninsula. South shore of Chinitna Bay about 100 ft. up the second left tributary gully of small stream flowing almost on axis on Gaikima Creek anticline about 700 ft. from mouth and 1.0 miles N 53 1/2 W of mouth of Fitz Creek. Strat. Pos. --- (no number given - note by R.B. Blodgett) ft. above base of the Gaikima sandstone member of the Tuxedni formation and below 19965. Lithology - shaly soft sandstone with concretions 6 inches in diameter. Coll. Wedow and Kellum 44NB Kellum #2 P 28 Sept. 6, 1944."]
Inoceramus sp.
Lytoceras cf. L. eudisianum d'Orbigny
F-27 (Mesozoic loc. 19959) , Iliamna , [Shown as locality 17 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-27. Tuxedni, Iniskin siltstone. SW Alaska, Cook Inlet region, Iniskin Peninsula. Three ft. below USGS Mesozoic collection no. 19958. Strat. Pos. Lithology - consolidated sandstone. Coll. Wedow and Kellum 44NB Kellum #2 P 29 Sept. 6, 1944."]
Inoceramus sp.
Emileia cf. E. constricta Imlay
F-23 (Mesozoic loc. 19955) , Iliamna , [Shown as locality 17 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-23. Tuxedni, Iniskin siltstone. SW Alaska, Cook Inlet region, Iniskin Peninsula. South shore of Chinitna Bay, about 400 ft. up small stream flowing out almost on the supposed axis of small anticline. (the Gaikima Creek anticline) and 1.02 miles N 51 deg. W of the mouth of Fitz Creek. Strat. Pos. at the base of the Iniskin siltstone and strat. above coll. Lithology - shaly ss. Coll. Wedow and Kellum 44NB #2 P 34, Sept. 12, 1944."]
Inoceramus sp.
Lima sp.
Lucina sp.
48AI7 (Mesozoic loc. 21296) , Iliamna , [Shown as locality 19 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48 AI7. Middle Jurassic - Tuxedni Fm. - Lowest member. Same geographical location as 21292, Same stratigraphic horizon as 21292. Same Section as described under 21294. Gray siltstone 350 to 360 feet stratigraphically below the top of the member. 1.62 miles N. 59 deg. W of dock at mouth of Fitz Creek. July 10, 1948."]
Grammatodon sp.
Inoceramus sp.
Trigonia sp.
Pleuromya sp.
Pholadomya sp.
Goniomya sp.
Astarte sp.
Isognomon sp.
Witchellia sp.
Normannites cf. N. kialagvikensis Imlay
Stemmatoceras snugharborense Imlay
Parabigotites sp.
48AI8 (Mesozoic loc. 21297) , Iliamna , [Shown as locality 20 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AI8. Middle Jurassic - Tuxedni Fm - Lowest member. Same geographical location as 21292, same stratigraphic horizon as 21292, same measured section described under 21294. Gray siltstone 500 to 510 ft. stratigraphically below the top of the member. 1.62 miles N 58 deg W of dock at mouth of Fitz Creek. July 10, 1948."]
Camptonectes sp.
Pleuromya sp.
Goniomya sp.
48AI9 (Mesozoic loc. 21298) , Iliamna , [Shown as locality 20 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Middle Jurassic - Tuxedni Fm - Lowest member. Same geographical location as 21292, same stratigraphic position as 21292, same measured section as no. 21294. Gray siltstone 540 ft stratigrapically below top of the member. 1.62 miles N 57 deg W of dock at mouth of Fitz Creek. July 10, 1948."]
Inoceramus sp.
Pleuromya sp.
48AI10 (Mesozoic loc. 21299) , Iliamna , [Shown as locality 20 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AI10. Middle Jurassic - Tuxedni Fm - Lowest member. Same geographical location as no. 21292, same stratigraphical horizon as 21292, same measured section as no. 21294. Gray siltstone 560 (note by R.B. Blodgett: handwritten 6 in 560 not certain) feet stratigraphically below the top of the member. 1.62 miles N. 62 deg. W of dock at mouth of Fitz Creek. July 10, 1948."]
Inoceramus sp.
Camptonectes sp.
Pleuromya sp.
48AI11 (Mesozoic loc. 21300) , Iliamna , [Shown as locality 20 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AI11. Middle Jurassic - Tuxedni Fm. Lowest mbr. Same geographic location as no. 21292, same stratigraphic horizon as 21292. Same measured section as no. 21294. Greenish-gray sandstone 660 ft. stratigraphically below the top of the member, 1.62 miles N 55 deg. W of dock at mouth of Fitz Creek. July 10, 1948."]
Trigonia sp.
Camptonectes sp.
Belemnites sp.
48AI12 (Mesozoic loc. 21301) , Iliamna , [Shown as locality 24 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AI12. Middle Jurassic - Tuxedni Fm - Lowest member. Same geographic location as no. 21292, same stratigraphic horizon as 21292. Same measured section as no. 21294. Shell beds in dark green sandstone 725 to 745 ft. stratigraphically below the top of the member. 1.62 miles N. 54 deg. W. of dock at mouth of Fitz Creek. July 10, 1948."]
Trigonia sp.
F-24 (Mesozoic loc. 19956) , Iliamna , [Shown as locality 24 on Pl. 3 of Detterman and Hartsock, 1966][Entry cardin USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Tuxedni-Jurassic, Iniskin siltstone. Orig. no. F-24. SW Alaska, Cook Inlet area, Iniskin Peninsula. Cliffs on south shore of Chinitna Bay about 300 feet east of loc. 19954 and 1.05 miles N 52 1/2 deg. W of mouth of Fitz Creek. 70 feet lower than coll. 19954 and the lowermost coll. made from the Iniskin siltstone member. Collected by Wedow and Kellum, Sept. 1944."]
Witchellia adnata Imlay
F-22 (Mesozoic loc. 19954) , Iliamna , [Shown as locality 25 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-22. Tuxedni, Iniskin siltstone. SW Alaska, Cook Inlet area, Iniskin Peninsula. Cliffs south shore of Chinitna Bay about 4300 ft. west of the mouth of Gaikima Creek and 1.1 miles N 47 1/2 deg. W of the mouth of Fitz Creek. Strat. Pos. at the base but stratigraphically above coll. 19955, 19956. Lithology - fine grained silty sandstone. Coll. Kellum and Wedow, 44NB Kellum #2 P Sept. 1944."]
Inoceramus sp.
F-21 (Mesozoic loc. 19952) , Iliamna , [Shown as locality 25 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-21. Jurassic, Tuxedni, Iniskin siltstone. SW Alaska, Cook Inlet Region, Iniskin Peninsula. South shore of Chinitna Bay about 3200 ft. west of the mouth of Gaikima Creek and 0.88 miles N 48 1/2 deg. E of the mouth of Fitz Creek. Strat. Pos. 800 ft. below the top of the Iniskin siltstone member. Lithology - Thin bedded, brown to gray, shaly sandstone with a few thin hard sandstone layers. Coll. Wedow and Kellum 44NB Kellum #2 P 27 Sept. 6, 1944."]
Pteria sp.
Pecten sp.
Goniomya sp.
F-33 (Mesozoic loc. 19965) , Iliamna , [Shown as locality 25 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic-Tuxedni, Iniskin siltstone. Orig. no. F-33. SW Alaska, Cook Inlet Region, Iniskin Peninsula. Small gully, south shore of Chinitna Bay and about 3300 feet west of the mouth of Gaikima Creek and 0.92 mile N 4 1/2 deg. W of the mouth of Fitz Creek. 980 feet below the top of the Iniskin siltsone. Dark gray sandy shale. Collected by Wedow and Kellum, Sept. 11, 1944."]
Cucullaea sp.
Protocardia sp.
48AMr143 (Mesozoic loc. 21293) , Iliamna , [Shown as locality 25 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AMr143. Middle Jurassic - Tuxedni Fm. Same geographical location as 21291, same stratigraphic horizon as 21292. Gulch draining into Chinitna Bay from south, 1.35 miles N. 52 deg. W of dock at mouth of Fitz Creek. Limestone concretions in siltstone about 1200 ft. stratigraphically below the top of the member and about 100 feet below the middle sandstone unit. Sept. 13, 1948."]
Pinna sp.
Sonninia (Papilliceras) sp.
Belemnites sp.
48AI6 (Mesozoic loc. 21295) , Iliamna , [Shown as locality 19 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AI6. Middle Jurassic - Tuxedni Fm - Lowest member. Same geographic location as 21292. Same stratigraphic horizon as no. 21292. Same measured section as no. 21294. Gray siltstone 320 to 330 feet stratigraphically below top of member. 1.62 miles N. 60 deg. W of dock at mouth of Fitz Creek. July 10, 1948."]
Isognomon sp.
Stemmatoceras cf. S. snugharborense Imlay
51AGz84 (Mesozoic loc. 22692) , Seldovia , 0.25 mile above mouth of fourth tributary on northeast side of Hickerson Creek and 1.9 miles N. 27 W. of head of Lake Hickerson at the mouth of Hickerson Creek. (description from Imlay E&R report of Dec. 20, 1951; shipment AF-51-40); [Shown as locality 5 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 58'42" N., 152 deg. 58'05" W.]
Inoceramus sp.
Pleuromya sp.
Belemnites sp.
51AGz94 (Mesozoic loc. 22693) , Seldovia , 0.4 mile above mouth of fourth tributary on northeast side of Lake Hickerson and 2.0 miles N. 22 W. of the head of Lake Hickerson. (description from Imlay E&R report of Dec. 20, 1951; shipment AF-51-40); [Shown as locality 12 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 58'48" N., 152 deg. 58'07" W.]
Inoceramus sp.
Chlamys sp.
Lopha sp.
51AGz95 (Mesozoic loc. 22694) , Seldovia , 0.4 to 0.5 mile above mouth of fourth tributary on the northeast side of Hickerson Creek and 2.0 to 2.01 miles north 22 west to north 23 west of the head of Lake Hickerson. (description from Imlay E&R report of Dec. 20, 1951; shipment AF-51-40); [Shown as locality 15 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 58'54" N., 152 deg. 58'06" W.]
Inoceramus sp.
Oxytoma sp.
Belemnites sp.
51AGz108 (Mesozoic loc. 22529 (=50AGz82)) , Seldovia , On ridge 2.1 miles miles N. 20 W. of head of Lake Hickerson. (description from Imlay E&R report of Dec. 20, 1951; shipment AF-51-40); [Shown as locality 18 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 59'07" N., 152 deg. 58'04" W.]
Grammatodon sp.
Inoceramus sp.
Oxytoma sp.
Trigonia sp.
Chlamys sp.
Astarte sp.
Protocardia sp.
Witchellia sp.
Parabigotites crassicostatus Imlay
51AGz97 (Mesozoic loc. 22695) , Seldovia , About 2.8 miles N. 25 W. of head of Lake Hickerson and about 1.3 miles S. 80 W. of the junction of Squirrel Creek and the ice margin of Red Glacier. (description from Imlay E&R report of Dec. 20, 1951; shipment AF-51-40); [Shown as locality 28 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 59'14" N., 152 deg. 58'06" W.]
Grammatodon sp.
Pleuromya sp.
Isocyprina sp.
Parabigotites sp.
No Data (Mesozoic loc. 24335) , Kenai , [Shown as locality 40 on Pl. 3 of Detterman and Hartsock, 1966, (probably Werner Juhle collection) - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 03'13" N., 152 deg. 53'58" W.]
Tmetoceras cf. T. scissum (Benecke)
51AHa12 (Mesozoic loc. 22720) , Kenai , About one mile above mouth of Hungryman Creek and one mile southwest of Fossil Point on Tuxedni Bay. (description from E&R report of Imlay dated Dec. 20, 1951; Shipment AF-51-42)[Transmittal sheet of Hartsock, dated Nov. 30, 1951 provides further details: "Traverse point 72H, about one mile up Hungryman Creek from its mouth, on the south side of Tuxedni Bay. Pelecypods collected from siltstone with sandstone layers, probably Fitz Creek formation."]; [Shown as locality 7 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'25" N., 152 deg. 42'51" W.]]
Pleuromya dalli (White)
52AJu30 , Kenai , [Shown as locality 27 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 07'40" N., 152 deg. 50'29" W.]
Trigonia sp.
52AJu29 , Kenai , [Shown as locality 29 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 07'28" N., 152 deg. 50'09" W.]
Inoceramus sp.
Meleagrinella sp.
48AI77 (Mesozoic loc. 21233) , Kenai , [Shown as locality 30 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 10'34" N., 152 deg. 44'31" W.][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "(Orig. no. 48AI77). Lower Jurassic(?). Same geographical location as 21232. About 1/4 mile up first south tributary of creek entering Tuxedni Bay from south. 2.6 miles N 77 deg. W of Fossil Point. From sandy siltstone in interbedded sandstone-siltstone sequence about 350 feet stratigraphically above the highest lava bed. Coll. Ralph W. Imlay and Don J. Miller. July 31, 1948."]
Inoceramus sp.
Astarte sp.
Tmetoceras regleyi
Tmetoceras cf. T. scissum (Benecke)
Erycites howelli (White)
48AI78 (Mesozoic loc. 21234) , Kenai , [Shown as locality 30 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 10'34" N., 152 deg. 44'31" W.][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "(Orig. no. 48AI78). Unnamed Lower Jurassic(?) sequence Tuxedni Bay. Same geographical location as 21232. Creek entering Tuxedni Bay from south, 2.5 miles N 77 deg. W of Fossil Point. Float probably from same bed as coll. 21233 (orig. no. 48AI77). Coll. Ralph W. Imlay & Don J. Miller. July 31, 1948."]
Inoceramus sp.
Trigonia sp.
Pseudolioceras whiteavesi (White)
Tmetoceras regleyi
Erycites howelli (White)
52AJu3 , Kenai , [Shown as locality 31 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'13" N., 152 deg. 49'08" W.]
Trigonia sp.
51AHa3 (Mesozoic loc. 22717) , Kenai , Float near head of Diable Creek a little higher upstream than 51AHa2. (description from E&R report of Imlay dated Dec. 20, 1951; Shipment AF-51-42)[Transmittal sheet of Hartsock, dated Nov. 30, 1951 provides further details: "Traverse point 10H, near head of Diablo Creek. Pelecypods found in float of lower Tuxedni sandstone; origin of float very near."][Shown as locality 32 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'54" N., 152 deg. 47'34" W.]
Pleuromya sp.
51AJu38 , Kenai , [Shown as locality 33 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'15" N., 152 deg. 46'23" W.]
Pleuromya dalli (White)
52AJu-F15 (Mesozoic loc. 24334) , Kenai , [Shown as locality 34 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 07'52" N., 152 deg. 51'27" W.][Imlay, 1964, p. B23 provides following description: "Werner Juhle, 1952. Tuxedni Bay area, on a ridge south of the headwaters of Hungryman Creek, 5.5 miles S. 78 deg. W. of the mouth of Hungryman Creek. Red Glacier Formation, 1,700-1,800 ft below top."]
Emileia cf. E. constricta Imlay
51AHa2 (Mesozoic loc. 22716) , Kenai , About 3/4 mile up Diable Creek above junction with Difficult Creek and about 5 miles west of Fossil Point on Tuxedni Bay. (description from E&R report of Imlay dated Dec. 20, 1951; Shipment AF-51-42)[Transmittal sheet of Hartsock, dated Nov. 30, 1951 provides further details: "Traverse point 8H, about 3/4 miles up Diablo Creek from mouth (Diablo Creek is a short, steep tributary to Difficult Creek on south side of Tuxedni Bay). Pelecypods found in float of lower Tuxedni sandstone, Mid. Jurassic age; origin in cliffs not far above."][Shown as locality 35 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'56" N., 152 deg. 47'36" W.]
Camptonectes sp.
Tancredia sp.
Meleagrinella sp.
51AHa6 (Mesozoic loc. 22718) , Kenai , About 1 1/4 miles upstream from mouth of first tributary to Difficult Creek about 4 3/4 miles west of Fossil Point. (description from E&R report of Imlay dated Dec. 20, 1951; Shipment AF-51-42)[Transmittal sheet of Hartsock, dated Nov. 30, 1951 provides further details: "Traverse point 24H, about 1 1/4 miles upstream from mouth of first tributary to Difficult Creek. Poorly preserved ammonite impression in lower Tuxedni sandstone."][Shown as locality 36 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 10'07" N., 152 deg. 47'30" W.]
Erycites howelli (White)
51AJu41 , Kenai , [Shown as locality 37 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'08" N., 152 deg. 49'28" W.]
Pleuromya sp.
52AJuN5 (Mesozoic loc. 24333) , Kenai , [Shown as locality 37 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'08" N., 152 deg. 49'28" W.][Imlay, 1964, p. B23 provides following description: "Werner Juhle, 1952. Tuxedni Bay area, on ridge top between Difficult Creek and Hungryman Creek 4.8 miles S. 79 deg. W. of Fossil Point. Red Glacier Formation, 1,800-1,900 ft below top."]
Tancredia sp.
Meleagrinella sp.
Stephanoceras (Skirroceras) juhlei Imlay
52AJu11A , Kenai , [Shown as locality 39 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 08'01" N., 152 deg. 51'53" W.]
Trigonia sp.
48AI64 (Mesozoic loc. 21269) , Kenai , [Shown as locality 4 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'53" N., 152 deg. 41'42" W.][Imlay, 1964, p. B23 provides following description: "R.W. Imlay and D.J. Miller, 1948. Tuxedni Bay area, 2,800 ft S. 86 deg. W. of Fossil Point. Red Glacier Formation, about 95 ft below top in massive gray siltstone."][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AI64. Middle Jurassic - Tuxedni Formation. Same geographical location as no. 21261. South Shore of Tuxedni Bay. 2,800 ft. S 76 deg. W of Fossil Point. From massive gray siltstone near base of unit. No. 22 of Stanton & Martin section. July 28, 1948."]
Normannites cf. N.(Itinsaites crickmayi (McLearn)
Stephanoceras cf. S. nodosum (Quenstedt)
48AI63 (Mesozoic loc. 21268) , Kenai , [Shown as locality 9 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'54" N., 152 deg. 41'49" W.][Imlay, 1964, p. B22 provides following description: "Tuxedni Bay area, 3,250-3,500 ft S. 85 deg. - 86 deg. W. of Fossil Point. Red Glacier Formation. Float from 100 to 230 ft below top of formation."]
Grammatodon sp.
Sonninia tuxedniensis Imlay
Strigoceras sp.
Lissoceras cf. L. semicostulatum Buckman
Emileia constricta Imlay
Stephanoceras (Skirroceras) kirschneri Imlay
48AI62 (Mesozoic loc. 21267) , Kenai , [Shown as locality 11 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'55" N., 152 deg. 41'54" W.][Imlay, 1964, p. B22 provides following description: "R.W. Imlay and D.J. Miller, 1948. Tuxedni Bay area, 3,075 ft S. 84 deg. W. of Fossil Point. Red Glacier Formation, 170 ft below top in massive gray siltstone."]
Holcophylloceras costisparsum Imlay
Sonninia sp. juv.
Stephanoceras (Skirroceras) kirschneri Imlay
48AI61 (Mesozoic loc. 21266) , Kenai , [Shown as locality 11 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'55" N., 152 deg. 41'54" W.][Imlay, 1964, p. B22 provides following description: "R.W. Imlay and D.J. Miller, 1948. Tuxedni Bay area, 3,250 ft. S. 85 deg. W. of Fossil Point. Red Glacier Formation, 200 ft below top in massive gray siltstone."]
Sonninia tuxedniensis Imlay
48AI60 (Mesozoic loc. 21265) , Kenai , [Shown as locality 14 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'55" N., 152 deg. 41'58" W.][Imlay, 1964, p. B22 provides following description: "R.W. Imlay and D.J. Miller, 1948. Tuxedni Bay area, 3,500 ft S. 86 deg. W. of Fossil Point. Red Glacier Formation, 215 ft below top in massive gray siltstone."]
Macrophylloceras cf. M. undulatum Imlay
48AI59 (Mesozoic loc. 21264) , Kenai , [Shown as locality 14 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'55" N., 152 deg. 41'58" W.][Imlay, 1964, p. B22 provides following description: "R.W. Imlay and D.J. Miller, 1964. Tuxedni Bay area, 3,650 ft S. 80 deg. W. of Fossil Point. Red Glacier Formation. Massive gray siltstone 250 ft below top of formation and from base of unit 23 of section by Stanton and Martin."]
Stephanoceras (Skirroceras) kirschneri Imlay
48AI58 (Mesozoic loc. 21263) , Kenai , [Shown as locality 21 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 10'03" N., 152 deg. 42'31" W.][Imlay, 1964, p. B22 provides following description: "R.W. Imlay and D.J. Miller, 1948. Same geographical location as 21261. Red Glacier Formation. Float from 480 to 515 ft below top of formation."]
Oxytoma sp.
Thracia sp.
Sonninia (Papilliceras) cf. S.(P.) arenata Quenstedt
Lissoceras sp.
Emileia constricta Imlay
Chondroceras cf. C. defontii (McLearn)
Stemmatoceras snugharborense Imlay
48AI57 (Mesozoic loc. 21262) , Kenai , [Shown as locality 21 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 10'03" N., 152 deg. 42'31" W.][Imlay, 1964, p. B22 provides following description: "R.W. Imlay and D.J. Miller, 1948. Tuxedni Bay area, 1.25 miles N. 88 deg. W. of Fossil Point. Red Glacier Formation. Massive gray siltstone 480-500 ft below top of formation in unit 33 of section measured by Stanton and Martin."]
Sonninia (Papilliceras) cf. S.(P.) arenata Quenstedt
Emileia constricta Imlay
48AI56 (Mesozoic loc. 21261) , Kenai , [Shown as locality 21 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 10'03" N., 152 deg. 42'31" W.][Imlay, 1964, p. B22 provides following description: "R.W. Imlay and D.J. Miller, 1948. Tuxedni Bay area, 1.26 miles N. 87 deg. W. of Fossil Point. Red Glacier Formation. From silty sandstone 500-515 ft below top of formation in unit 34 of section measured by Stanton and Martin."]
Grammatodon sp.
Inoceramus sp.
Camptonectes sp.
Normannites kialagvikensis Imlay
Stemmatoceras milleri Imlay
F-75 (Mesozoic loc. 20008) , Iliamna , [Shown as locality 43 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Gaikima [note by R.B. Blodgett: should be Gaikema] sandstone. Orig. no. F-75. SW Alaska, Cook Inlet region, Iniskin Peninsula. Northeast side of Forky Creek about 150 feet upstream from trail crossing at mouth of canyon and 1.74 miles N 78.4 deg. W of Tonnie Peak. About 8 feet above the base of Gaikima member. Coquina of molds in stones. Collected by Wedow and Kellum, Oct. 5, 1944."]
Belemnites
58ADt4 (Mesozoic loc. 27118) , Iliamna , Gaikema member of the Tuxedni formation. 0 to 10 feet above base. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Gaikema member; 0-10 feet above base; dark-gray green sandstone and siltstone with coquina beds; mouth of Forky Creek, 1.22 mi. N. 10 deg. E. of I.B.A. No. 1; Coords. 10.03-12.97, 59 deg. 46'10"N., 153 deg. 13'30"W."][Shown as locality 43 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus sp.
Trigonia sp.
Meleagrinella sp.
Gastropod (undet.)
F-55 (Mesozoic loc. 19988) , Iliamna , [Shown as locality 46 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Gaikima (note by R.B. Blodgett: should be Gaikema) sandstone mbr. Orig. no. F-55. SW Alaska, Cook Inlet Region, Iniskin Peninsula. Southwest side of Tonnie Creek about 500 feet upstream from the trail crossing at mouth of the canyon, and 1.55 miles S 60 7/8 deg. E of Tonnie Peak. 20 feet above base of Gaikima sandstone mbr. Firmly consolidated shaly fine sandstone. Collected by Wedow and Kellum, Sept. 24, 1944."]
Meleagrinella sp.
58ADt1 (Mesozoic loc. 27117) , Iliamna , Gaikema member of the Tuxedni formation. Lower 50 feet. Gaikema member of the Tuxedni formation. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Gaikema member; lower 50 feet; dark-gray green, medium grained sandstone and grit with coquina beds; Tonnie Creek, 0.29 mi. N. 40 deg. W. I.B.A. No. 1. Coords. 9.64-11.98, 59 deg. 45'18"N., 153 deg. 14'09"W."][Shown as locality 46 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus sp.
Ostrea sp.
Astarte sp.
Meleagrinella sp.
57ADt1 (Mesozoic loc. 26602) , Iliamna , Gaikema member of Tuxedni Formation, lower part on Tonnie Creek. (description from Imlay E&R report of 1/22/58; Shipment A-58-1)[Transmittal sheet of Detterman, dated 12/18/57 provides following description: "Gaikema member; lower part; medium-bedded graygreen sandstone with siltstone interbeds, Tonnie Creek; Coords: 9.64-11.98; 59 deg. 45'20"N; 153 deg. 14'10"W; Section 8, T.5S.-R.23W."][Shown as locality 46 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus sp.
Oxytoma sp.
Trigonia sp.
Tancredia sp.
Meleagrinella sp.
Quenstedtia sp.
57ADt6 (Mesozoic loc. 26601) , Iliamna , Gaikema member of Tuxedni Formation, lower middle part along Fitz Creek. (description from Imlay E&R report of 1/22/58; Shipment A-58-1)[Transmittal sheet of Detterman, dated 12/18/57 provides following description: "Gaikema member lower middle part; soft chocolate brown coquina sandstone; road cut along Fitz Creek; Coords: 10.7-13.55; 59 deg. 46'40"N; 153 deg. 12'30"W. Section 4, T.5S-R.23W."][Shown as locality 48 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus lucifer Eichwald
Trigonia sp.
Meleagrinella sp.
Bradfordia? caribouensis Imlay
F-56 (Mesozoic loc. 19989) , Iliamna , [Shown as locality 52 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Gaikima (note by R.B. Blodgett: should be Gaikema) sandstone mbr. Orig. no. F-56. SW Alaska, Cook Inlet Region, Iniskin Peninsula. Southwest side of Tonnie Creek about 700 feet upstream from the trail crossing at the mouth of the canyon and 1.47 miles S 61 deg. E from Tonnie Peak. 80 feet above the base of the Gaikima. Firmly consolidated sandstone 25 ft. below a 2 1/2 ft. thick boulder conglomerate bed. Collected by Wedow and Kellum, Sept. 24, 1944."]
Inoceramus sp.
Stephanoceras sp.
Belemnites
44AWW F 4 (Mesozoic loc. 19935) , Iliamna , [Shown as locality 52 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Gaikima (note by R.B. Blodgett: should be Gaikema) member. Orig. no. 44 AWW F 4. SW Alaska, Cook Inlet, Iniskin Peninsula. Right side of Tonnie Creek about 850 ft upstream the trail crossing the mouth of Fitz canyon, or 1.6 miles S 60 deg. E of Tonnie Peak. 140 ft above the base of the Gaikima member or 360 ft below the top of the Gaikima member. Shaly sandstone. Collected by H. Wedow, July, 1944."]
Pleuromya sp.
Belemnites
44AWW F 5 (Mesozoic loc. 19936) , Iliamna , [Shown as locality 52 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Gaikima (note by R.B. Blodgett: should be Gaikema) member. Orig. no. 44AWW F 5. SW Alaska, Cook Inlet area, Iniskin Peninsula. Right side of Tonnie Creek about 9800 ft upstream from the trail crossing the mouth of Fitz canyon or 1.55 miles S 60 deg. E of Tonnie Mts. 160 ft above the base of the Gaikima member of the Tuxedni or 330 ft below the top of the Gaikima member. Shaly sandstone with a few pebbles mixed with it. Collected by H. Wedow, July, 1944."]
Trigonia sp.
Thracia sp.
F-76 (Mesozoic loc. 20009) , Iliamna , [Shown as locality 49 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Gaikima (note by R.B. Blodgett: should be Gaikema) sandstone. Orig. no. F-76. SW Alaska, Cook Inlet area, Iniskin Peninsula. Southwest side of Forky Creek about 200 feet upstream from trail crossing at mouth of canyon, 1.7 miles N 79.4 deg. W of Tonnie Peak. 160 feet above base of the Gaikima. Greenish-gray shale limestone overlying a cobble conglomerate with some interbedded sandstones. Collected by Wedow and Kellum, Oct. 5, 1944."]
Trigonia sp.
F-57 (Mesozoic loc. 19990) , Iliamna , [Shown as locality 55 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Gaikima sandstone mbr. Orig. no. F-57. SW Alaska, Cook Inlet region, Iniskin Peninsula. Southwest side of Tonnie Creek about 950 feet from the trail crossing at the mouth of the canyon and 1.45 miles S 60 deg. E from the top of Tonnie Peak. 220 feet below the top of the Gaikima. Light greenish-gray fine grained, firmly consolidated sandstone. Collected by Wedow and Kellum, Sept. 24, 1944."]
Belemnites
F-58 (Mesozoic loc. 19991) , Iliamna , [Shown as locality 55 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-58. Tuxedni, Gaikima ss. mbr. SW Alaska, Cook Inlet region, Iniskin Peninsula. Southwest side of Tonnie Peak about 1000 ft. upstream from the trail crossing at the mouth of the canyon and 1.45 miles S 60 deg. E of Tonnie Peak about 75 ft. above stream level. Strat. Pos. 140 ft. below the top of the Gaikima. Lithology - lines of well stratified sandy shales and shaly sandstones, some beds have ss. nodues, some shales are light pea green. Coll. Wedow and Kellum 44NB Kellum #2 P 66, Sept. 25, 1944."]
Trigonia sp.
Camptonectes sp.
Pholadomya sp.
Thracia sp.
Arctica sp.
Protocardia sp.
F-59 (Mesozoic loc. 19992) , Iliamna , [Shown as locality 55 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-59. Tuxedni, Gaikima ss. mbr. SW Alaska, Cook Inlet region, Iniskin Peninsula. SW side of Tonnie Creek on a spur between two small tributaries about 1200 ft. upstream from the trail crossing at the mouth of the canyon and 1.35 miles S 60 deg. E of Tonnie Peak. Strat. Pos. 50 ft. below the top of the Gaikima ss. mbr. Lithology coquina in a series of mudstones. Coll. Wedow and Kellum 44NB Kellum #2 P 66, Sept. 25, 1944."]
Inoceramus sp.
Trigonia sp.
Pecten sp.
Astarte sp.
Arctica sp.
F-16 (Mesozoic loc. 19947) , Iliamna , [Shown as locality 44 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-16. Jurassic-Tuxedni fm. - Gaikima ss. member. SW Alaska, Cook Inlet Region, Iniskin Peninsula. North side of Gaikima Creek about 2600 ft. upstream at first outcrop at mouth of Canyon, and about 60 ft. above stream level and 0.6 miles N 65 deg. W of mouth of Fitz Creek. Strat. Pos. Gaikima ss. about 3/4 of the way up section. Lithology - Earthy weathered yellowish brown sandstone with some red ferruginous layers. Coll. Wedow and Kellum. NB Kellum 44-#2 P 260, Sept. 3, 1944."]
Trigonia sp.
F-17 (Mesozoic loc. 19948) , Iliamna , [Shown as locality 51 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-17. Jurassic-Tuxedni, Gaikima ss. mbr. SW Alaska, Cook Inlet Region, Iniskin Peninsula. North side of Gaikima Creek about 2800 ft. upstream from Chinitna Bay and 0.7 miles N 65 W from the mouth of Fitz Creek at the opposite end of the outcrop from which USGS Mesozoic Coll. 19947 was made. Strat. Pos. about 1/2 way up among the Gaikima Fossil colls. made 1944. Lithology - Arkosic sandstone with coarse conglomerate beds. Coll. Wedow and Kellum NB Kellum 44-#2 P 260, Sept. 3, 1944."]
Inoceramus sp.
Trigonia sp.
Belemnites
F-37a (Mesozoic loc. 19970) , Iliamna , [Shown as locality 58 on Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-37a. Tuxedni, Gaikima. SW Alaska, Cook Inlet region, Iniskin Peninsula. North side of Gaikima Creek about 2400 feet below the mouth of South Fork, about 1.45 miles N 82 deg. W of mouth of Fitz Creek. Strat. Pos. 50 feet strat. below 19969 and 330 feet below top of the Gaikima sandstone member. Lithology - conglomeratic sandstone. Coll. Wedow and Kellum N.B. Kellum #2, Sept. 1944.]
Inoceramus sp.
F-37 (Mesozoic loc. 19969) , Iliamna , [Shown as locality 58 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-37. Tuxedni Fm., Gaikima Siltstone. Southwestern Alaska, Cook Inlet region, Iniskin Peninsula. North side of Gaikima Creek about 2400 ft. upstream from the mouth of South Fork and 1.45 miles N 82 deg. W of mouth of Fitz Creek. Strat. Pos. 180 ft. below the top of the Gaikima sandstone mbr. Lithology - arkosic sandstone with a few shaly partings, weathers light gray. Coll. Wedow and Kellum 44NB Kellum #2 P , Sept. 14, 1944."]
Cucullaea sp.
Trigonia sp.
Pleuromya sp.
57ADt11 (Mesozoic loc. 26600) , Iliamna , Gaikema member of Tuxedni Formation, middle part on Gaikema Creek. (description from Imlay E&R report of 1/22/58; Shipment A-58-1)[Transmittal sheet of Detterman, dated 12/18/57 provides following description: "Gaikema member of Tuxedni formation; massive middle part greenish sandstone and conglomerate; Gaikema Creek; Coords: 11.15-15.62; 59 deg. 48'30"N, 153 deg. 11'35"W."][Shown as locality 59 on Pl. 3 of Detterman and Hartsock, 1966]
Witchellia? sp.
F-39 (Mesozoic loc. 19972) , Iliamna , [Shown as locality 61 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-39. Tuxedni, Gaikima. SW Alaska, Cook Inlet region, Iniskin Peninsula. North side of Gaikima Creek about 2600 ft. upstream from the mouth of South Fork and 1.50 miles N 80 W of the mouth of Fitz Creek, about 75 ft. above stream level. Strat. Pos. 20 ft. below the top of the Gaikima. Lithology - sandy shale with very thin beds of shaly sandstone and a few large sandy concretions. Coll. Wedow and Kellum 44NB Kellum #2 P 48, Sept. 16, 1944."]
Cucullaea sp.
Pecten sp.
Mytilus (Arcomytilus) sp.
Pholadomya sp.
Astarte sp.
Belemnites
F-30 (Mesozoic loc. 19962) , Iliamna , [Shown as locality 42 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-30. Tuxedni, Gaikima sandstone mbr. SW Alaska, Cook Inlet region, Iniskin Peninsula. Sea Cliffs south shore of Chinitna Bay about 600 ft. west of USGS Mesozoic locality no. 19960 or 1900 ft. west of the mouth of Gaikima Creek or 0.65 mile N 42 1/2 W from the mouth of Fitz Creek. Stratigraphic position - about 4 ft. above base of the Gaikima sandstone mbr. of the Tuxedni. Lithology - Base of massive ss. in blocks. Coll. Wedow and Kellum 44NB Kellum #2, P 31. Sept. 9 (1944)"]
Parallelodon sp.
Inoceramus sp.
Pteria sp.
Trigonia sp.
Camptonectes sp.
Pleuromya sp.
Thracia sp.
Astarte sp.
Arctica sp.
Tancredia sp.
Lucina sp.
Protocardia sp.
Phylloceras? sp.
58AHw16 (Mesozoic loc. 27114) , Iliamna , Gaikema member of the Tuxedni formation. Lower. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Gaikema member, lower; gray, medium-grained, medium-bedded sandstone; south shore Chinitna Bay, 1.5 mi. N. 55 deg. W. mouth of Fitz Creek; Coords. 11.05-16.30, 59 deg. 49'N., 153 deg. 11'50"W."][Shown as locality 50 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus lucifer Eichwald
Trigonia sp.
F-29 (Mesozoic loc. 19961) , Iliamna , [Shown as locality 53 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-29. Tuxedni, Gaikima sandstone member. SW Alaska, Cook Inlet region, Iniskin Peninsula. Sea cliffs south shore of Chinitna Bay and 1600 ft. west of the mouth of Gaikima creek and 0.6 mile N 40 deg. W of the mouth of Fitz Creek. Strat. Pos. 180 ft. above the base of the Gaikima. Lithology - fine-grained evenly bedded sandstone just below a coarse conglomerate. Coll. Wedow and Kellum 44NB Kellum #2 P 30, Sept. 9, 1944."]
Inoceramus sp.
Trigonia sp.
Witchellia? sp.
58AHw13 , Iliamna , Gaikema member of the Tuxedni formation. From lower middle of member. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Gaikema member, lower middle; green sandstone with conglomerate lenses and coquina layers; south shore Chinitna Bay; 1.1 mi. S. 30 deg. E. of mouth of Marsh Creek. Coords. 9.17-15.54, 59 deg. 48 deg. 23" N., 153 deg. 15'W."][Shown as locality 53 on Pl. 3 of Detterman and Hartsock, 1966]
Trigonia sp.
Meleagrinella sp.
Belemnites
58ADt44 (Mesozoic loc. 27115) , Iliamna , Gaikema member of the Tuxedni formation. Approximately lower 300 feet. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Gaikema member; approximately lower 300 feet, float; olive gray to dusky yellow sandstone and siltstone; south shore Chinitna Bay, 2.36 mi. N. 64 deg. W. of mouth of Fitz Creek. Coords. 10.18-16.43; 59 deg. 49'08"N., 153 deg. 14'10"W."][Shown as locality 56 on Pl. 3 of Detterman and Hartsock, 1966]
Pinna sp.
Inoceramus lucifer Eichwald
Camptonectes sp.
Mytilus (Arcomytilus) sp.
Tancredia sp.
Meleagrinella sp.
Protocardia sp.
Variamusium sp.
Lytoceras cf. L. eudisianum d'Orbigny
F-28 (Mesozoic loc. 19960) , Iliamna , [Shown as locality 57 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-28. Tuxedni, Gaikima sandstone member. SW Alaska, Cook Inlet region, Iniskin Peninsula. Sea cliffs, south shore of Chinitna Bay and about 300 ft. west of the mouth of Gaikimia Creek, and 1/2 mile N 35 deg. W from the mouth of Fitz Creek. Strat. Pos. about 400 ft. above the base of the Gaikima ss. member. Lithology - well stratified, earthy med.-grained greenish gray ss., highest bed exposed. Coll. Wedow and Kellum 44NB Kellum #2 P29. Sept. 9, 1944. Note: This coll. was collected over a strat. dist. of 100-120 ft. from beds in place."]
Inoceramus sp.
Arctica sp.
Belemnites
58ADt31 (Mesozoic loc. 27113) , Seldovia , Gaikema member of the Tuxedni formation. Near middle member. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Gaikema member; about in middle; dark-green massive sandstone with dark brown coquinoid sandstone lenses; Boulder Creek, 1.8 mi. N. 33 1/2 deg. W. of head of Hickerson Lake; Coords. 1.10-10.18, 59 deg. 58'50"N., 152 deg. 58'05"W."][Shown as locality 47 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 58'38" N., 152 deg. 57'58" W.]
Trigonia sp.
Meleagrinella sp.
Plagiostoma sp.
Isocyprina? sp.
51AGz109 (Mesozoic loc. 22696) , Seldovia , On ridge 1.8 miles N. 7 W. of head of Lake Hickerson. (description from Imlay E&R report of Dec. 20, 1951; shipment AF-51-40)[Shown as locality 60 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 59'06" N., 152 deg. 57'06" W.]
Inoceramus sp.
Trigonia sp.
Meleagrinella sp.
51AHa11a, b, c (Mesozoic loc. 22723) , Kenai , Cub Creek about one mile upstream from junction with Bear Creek at a point 2 1/4 miles from Tuxedni Bay. Lot 51AHa 11 bb, collected 50 yards downstream, and lot 51AHa11c, collected 200 yards downstream from lot 51AHa11a. (description from E&R report of Imlay dated Dec. 20, 1951; Shipment AF-51-42)[Transmittal sheet of Hartsock, dated Nov. 30, 1951 provides further details: "11a: Traverse point 69H on Cub Creek about one mile up stream from intersection with Bear Creek. Ammonite collected from very fine-grained sandstone, probably Fitz Creek formation of Mid Jurassic age."; 11b: "Ammonite from approximately same horizon as 51AHa11a. Locality 50 yards downstream from traverse point 69H on Cub Creek. Probably Fitz Creek formation."; 11c: "Two hundred yards downstream from 69H. Ammonite collected from siltstone, probably Fitz Creek formation."][Shown as locality 45 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 07'14" N., 152 deg. 45'13" W.][Imlay, 1964, p. B23 provides following description: "J.K. Hartsock, 1951. Tuxedni Bay area. Near Bear Creek about 3 miles S. 62 deg. W. of mouth of Bear Creek. Gaikema Sandstone. From gray sandy shale in lower 150 ft."]
Sonninia (Papilliceras) cf. S. arenata Quenstedt
Lissoceras sp.
Emileia constricta Imlay
52AJu33 , Kenai , [Shown as locality 54 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 06'58" N., 152 deg. 49'08" W.]
Inoceramus sp.
Trigonia sp.
F-60 (Mesozoic loc. 19993) , Iliamna , [Shown as locality 62 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-60. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet Region, Iniskin Peninsula. SW side of Tonnie Creek about 1300 ft. upstream from the trail crossing at mouth of canyon and 1.3 miles S 58 1/2 deg. E of Tonnie Peak. Same locality as 19937 (USGS Mesozoic). Strat. Pos. 10 ft. above base of the Fitz Creek siltstone. Lithology - platy sandy shale and a few concretions. Coll. Wedow and Kellum 44NB #2 P 67, Sept. 25, 1944."]
Inoceramus sp.
Pecten sp.
Pleuromya sp.
Pholadomya sp.
44AWW 6 (Mesozoic loc. 19937) , Iliamna , [Shown as locality 62 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "44AWW 6. Tuxedni Formation - Fitz Creek siltstone mbr. SW Alaska, Cook Inlet region, Iniskin Peninsula. Right side of Tonnie Creek about 1300' upstream from the trail crossing at the mouth of Tonnie Creek and Fitz Creek and 1.3 miles S 58 1/2 deg. E of Tonnie Peak, same loc. as # 19993. Strat. Pos. 40 ft. above the base of the Fitz Creek siltstone member of the Tuxedni fm. Lithology - Platy sandy shale and a few small concretions. Coll. H. Wedow. July 1944."]
Parallelodon sp.
Trigonia sp.
Pleuromya sp.
Belemnites
58AHw44 (Mesozoic loc. 27111) , Iliamna , Fitz Creek member of Tuxedni formation. 100-150 feet above base. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Fitz Creek member; 100-150 feet above base; gray siltstone and sandstone; Twist Creek, 0.58 mi. N. 67 1/2 deg. W. of Beal No. 1; Coords. 9.01-11.40, 59 deg. 44'48"N., 153 deg. 15'12"W."][Shown as locality 67 on Pl. 3 of Detterman and Hartsock, 1966]
Stephanoceras sp.
F-61 (Mesozoic loc. 19994) , Iliamna , [Shown as locality 68 of Detterman and Hartsock, 1966 ][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-61. Tuxedni, Fitz Creek Siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. SW side of Tonnie Creek about 1500 ft. upstream from the trail crossing at mouth of canyon and 1.3 miles S 60 E Tonnie Peak and 20 ft. above stream level. Strat. Pos. 190 ft. above the base of of the Fitz Creek siltstone. Lithology - shaly sandstone plus 2 concretions. Coll. Wedow and Kellum 44NB Kellum #2 P 68, Sept. 25, 1944."]
Parallelodon sp.
Pholadomya sp.
Astarte sp.
Belemnites
F-62 (Mesozoic loc. 19995) , Iliamna , [Shown as locality 68 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-62. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. SW side of Tonnie Creek and 1650 ft. upstream from the trail crossing at the mouth of the canyon and 1.29 miles S 60 E Tonnie Peak. Strat. Pos. 220 ft. above the base of the Fitz Creek siltstone. Lithology - sandy shale and greenish-blue gray shale. Coll. Wdow and Kellum 44NB Kellum #2 P 69, Sept. 25, 1944."]
Inoceramus sp.
Pecten sp.
Goniomya sp.
F-63 (Mesozoic loc. 19996) , Iliamna , [Shown as locality 75 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-63. Tuxedni Fm., Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. SW side of Tonnie Creek about 1800 ft. upstream from the trail at the mouth of the canyon, 1.25 miles S 60 deg. E Tonnie Peak and 20 ft. above stream level. Strat. Pos. 370 ft. above the base of the Fitz Creek siltstone. Lithology - shaly sandstone with a coquina layer. Coll. Wedow and Kellum 44NB Kellum #3 P 1, Sept. 26, 1944."]
Cucullaea sp.
Inoceramus sp.
Pteria sp.
Trigonia sp.
Lima sp.
Pleuromya sp.
Astarte sp.
Belemnites
44AWWF64 (Mesozoic loc. 19997) , Iliamna , [Shown as locality 77 on Pl. 3 of Detterman and Hartsock, 1966] [Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "44AWWF64. Middle Jurassic-Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet region, Iniskin Peninsula. SW side of Tonnie Creek about 1850 ft. upstream fromthe trail at the mouth of the canyon and 1.22 miles S 58 3/4 deg. E of Tonnie Peak, about 60 ft. above stream level. Strat. Pos. 400 ft. above the base of the Fitz Creek. Lithology - greenish - gray and reddish brown shale with stringers of shaly sandstone. Coll. Schoonover 44NB Kellum #3 P 1, Sept. 26, 1944."]
Parallelodon sp.
Inoceramus sp.
Pteria sp.
Pecten sp.
Pholadomya sp.
Lucina sp.
Holcophylloceras cf. H. costisparsum Imlay
Normannites (Itinsaites) crickmayi (McLearn)
Normannites (I.) itinsae (McLearn)
Zemistephanus richardsoni (Whiteaves)
57ADt2 (Mesozoic loc. 26597) , Iliamna , "Fitz Creek" member of Tuxedni Formation. Middle Part. Tonnie Creek. (description from Imlay E&R report of 1/22/58; Shipment A-58-1)[Transmittal sheet of Detterman, dated 12/18/57 provides following description: "Fitz Creek member; middle part; greenish-gray nodular weathering siltstone with interbeds of sandstone; Tonnie Creek; Coords 9.4-12.5. 59 deg. 45'25"N, 153 deg. 14'30"W; Section 8, T.5S-R23W."][Shown as locality 77 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus sp.
Oxytoma sp.
Macrophylloceras sp. indet.
Chondroceras defontii (McLearn)
Belemnites
44AWW 7 (Mesozoic loc. 19938) , Iliamna , [Shown as locality 77 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "44AWW 7. Tuxedni fm. - Fitz Creek. SW Alaska, Cook Inlet Region, Iniskin Peninsula. Right side of Tonnie Creek and 1.15 miles S 56 1/2 deg. E of Tonnie Peak. Strat. Pos. ft. below top of Iniskin siltstone member of Tuxedni. Lithology - Platy sandy shale and a few small limestone concretions. Coll. H. Wedow. July 1944."]
Inoceramus sp.
F-65 (Mesozoic loc. 19998) , Iliamna , [Shown as locality 77 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-65. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. South west side of Tonnie Creek about 2000 ft. upstream from the trail at the mouth of the canyon, 1.2 miles S 58 3/4 deg. E Tonnie Peak, and also about 50 ft. upstream from USGS Mesozoic locality no. 19938. Strat. Pos. 480 ft. above the base of the Fitz Creek siltstone. Lithology - gray and brown sandy shale interbedded with shaly sandstone. Coll. Kellum, 44NB # 3 P 1, 2, Sept. 26, 1944."]
Pinna sp.
Inoceramus sp.
Pholadomya sp.
58AHw42 (Mesozoic loc. 27106) , Iliamna , Fitz Creek member of Tuxedni formation. 500-600 feet below top. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Fitz Creek member; 500-600 feet below top; gray siltstone with sandstone interbeds; Twist Creek, 0.78 mi. N. 64 deg. W. of Beal No. 1, Coords. 8.85-11.51, 59 deg. 44'55"N., 153 deg. 15'30"W."][Shown as locality 87 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus ambiguus Eichwald
F-66 (Mesozoic loc. 19999) , Iliamna , [Shown as locality 99 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-66. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. SW side of Tonnie Creek about 400 ft, downstream from the base of the massive sandstone which forms lower cascades in stream. The cascade is about 0.6 mile upstream from the trail crossing at the mouth of the canyon and 1.15 miles S 58 3/4 deg. E Tonnie Peak. Strat. Pos. 100 ft. below the top of the Fitz Creek siltstone. Lithology sandy shales 1.5 ft. stratigraphically above nod. limestones. Coll. Wedow 44NB Kellum #3 P 4, Sept. 26, 1944."]
Inoceramus sp.
F-67 (Mesozoic loc. 20000) , Iliamna , [Shown as locality 104 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-67. Tuxedni Fm., Fitz Creek siltstone. SW Alaska, Cook In let, Iniskin Peninsula. NE side of Tonnie Creek about 200 ft. downstream from the rapids mentioned in coll. 19999, and 1.1 miles S 58 3/4 deg. E of Tonnie Peak. Strat. Pos. 300 ft. below the top of the Fitz Creek siltstone. Lithology - gray shale with numerous small light gray sandy concretion. Coll. Kellum 44NB #2, P 4,5, Sept. 26, 1944."]
Chondroceras allani (McLearn)
Normannites (Itinsaites) cf. (I.) variabilis Imlay
44AWW 9 (Mesozoic loc. 19940) , Iliamna , [Shown as locality 73 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "44AWW 9. Tuxedni fm. - Fitz Creek siltstone member. SW Alaska, Cook Inlet region, Iniskin Peninsula. Right side of Fitz Creek about 900 ft. downstream from the mouth of Forky Creek and 2.06 miles N 80 deg. E of Tonnie Peak. Strat. Pos. Upper part of the Fitz Creek siltstone. Lithology. Coll. Helmuth Wedow. July 1944."]
Chondroceras cf. C. defontii (McLearn)
Normannites (Itinsaites) variabilis Imlay
44AWW 10 (Mesozoic loc. 19941) , Iliamna , [Shown as locality 73 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "44AWW 10. Tuxedni fm. - Fitz Creek siltstone. SW Alaska, Cook Inlet region, Iniskin Peninsula. In a northwest flowing tributary of Fitz Creek about 1300 ft. upstream from the mouth of the creek and 1900 ft. downstream from the mouth of Forky Creek and 2.4 miles N. 79 E. from Tonnie Peak. Strat. Pos. about in the middle of the Fitz Creek siltstone in position. Lithology. Coll. H. Wedow. July 1944."]
Normannites (Itinsaites) variabilis Imlay
50AHa40 (Mesozoic loc. 22439) , Iliamna , Tuxedni formation, middle siltstone member. Pt. 69B on Fitz Creek south of mouth of Cliff Creek, Iniskin Peninsula. (description from Imlay E&R report of Feb. 13, 1951; Shipment AF-50-33) [Transmittal sheet of Hartsock, dated Nov. 6, 1950 provides this description: "Defonticeras(?). Pt. 69B, on Fitz Creek. S. of mouth of Cliff Creek. May be Cynthia Falls. 7/19/50"][Shown as locality 73 on Pl. 3 of Detterman and Hartsock, 1966]
Normannites (Itinsaites) cf. (I.) variabilis Imlay
50AHa42 (Mesozoic loc. 22440) , Iliamna , Tuxedni formation, middle siltstone member. Pt. A43 on Fitz Creek at mouth of Forky Creek, Iniskin Peninsula. (description from Imlay E&R report of Feb. 13, 1951; Shipment AF-50-33) [Transmittal sheet of Hartsock, dated Nov. 6, 1950 provides this description: "Ammonites. Pt. A43 on Fitz Cr. at mouth Forky Cr. May be middle siltstone member. 7/19/50"][Shown as locality 73 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus sp.
Chondroceras sp.
Normannites (Itinsaites) variabilis Imlay
50AHa41 (Mesozoic loc. 22441) , Iliamna , Tuxedni formation, middle siltstone member. Pt. A44 on Fitz Creek upstream from Cliff Creek, Iniskin Peninsula. (description from Imlay E&R report of Feb. 13, 1951; Shipment AF-50-33) [Transmittal sheet of Hartsock, dated Nov. 6, 1950 provides this description: "Defonticeras(?). Immature form. Pt. A44 on Fitz Cr. upstream from Cliff Cf. May be Middle Siltstone member. 7/19/50"][Shown as locality 73 on Pl. 3 of Detterman and Hartsock, 1966]
Chondroceras cf. C. defontii (McLearn)
Chondroceras sp.
48AI33 (Mesozoic loc. 21316) , Iliamna , [Shown as locality 74 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AI33. Middle Jurassic - Tuxedni Fm - Bowser Member. Same geographical location as no. 21292. East side of Fitz Creek, 2.02 miles N. 88 deg. E. of Tonnie Peak. Limestone concretions in gray siltstone, probably near base of the Bowser member. July 18, 1948."]
Rhynchonellid brachiopods
Inoceramus sp.
Phylloceras sp.
Normannites (Itinsaites) variabilis Imlay
48AI34 (Mesozoic loc. 21317) , Iliamna , [Shown as locality 74 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AI34. Middle Jurassic - Tuxedni Fm - Fitz Creek member. Same geographical location as no. 21292. East side of Fitz Creek, 2.12 (Note: the 1 in 2.12 is not certain, indistinct) miles N 86 (note: number is not clearly legible) of Tonnie Peak. Limestone concretions in gray siltstone, 25 to 35 ft. below a 20 ft. sandstone. Probably --- (indistinct) ---. Same location as lots 10981, 11022 to 11029 incl. 19940. July 18, 1948." (note by R.B. Blodgett: entry hard to read in places due to writting in light pencil)]
Chondroceras allani (McLearn)
49AMr37 (Mesozoic loc. 21767) , Iliamna , Tuxedni formation, middle siltstone member. Probably same stratigraphic position as 48AMr147 (Mes. loc. 21304) but on opposite flank of anticline. On south bank of Fitz Creek, 2.45 miles S. 10 deg. E. of Tonnie Peak, Iniskin Peninsula. (description from Imlay E&R report of 1/16/50)[Transmittal sheet of Grantz, dated Nov. 23, 1949, provides following description: "Outcrop of middle siltstone member of Tuxedni formation near axis of anticline, south bank of Fitz Creek, 2.46 miles S. 10 deg. E. of Tonnie Peak. Should be same stratigraphic horizon as lot 21304 (48AMr147) but on opposite flank of anticline."][Detterman and Hartsock, 1966, p. 32 (faunal list), loc. 78 on Pl. 3][Shown as locality 78 on Pl. 3 of Detterman and Hartsock, 1966]
Gastropods undet.
Oxytoma sp.
Chondroceras cf. C. defontii (McLearn)
Normannites sp.
Zemistephanus cf. Z. richardsoni (Whiteaves)
58ADt8 (Mesozoic loc. 27108) , Iliamna , Fitz Creek member of Tuxedni formation. About 600 feet below top. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Fitz Creek member; about 600 feet below top; silty shale with limy conc., Fitz Creek near axis of anticline, 1.11 mi. S. 52 1/2 deg. W. of Beal No. 1; Coords. 8.66-10.47, 59 deg. 44'N., 153 deg. 16'W."][Shown as locality 78 on Pl. 3 of Detterman and Hartsock, 1966]
Pinna sp.
Chondroceras sp.
Zemistephanus richardsoni (Whiteaves)
57ADt15 (Mesozoic loc. 26598) , Iliamna , "Fitz Creek member of Tuxedni Formation. Middle part. Fitz Creek. (description from Imlay E&R report of 1/22/58; Shipment A-58-1)[Transmittal sheet of Detterman, dated 12/18/57 provides following description: "Fitz Creek member; middle, dark-gray silty shale with limestone concretions; upper Fitz Creek, Coords: 8.66-10.47; 59 deg. 44'N., 153 deg. 15'45"W. Section 19, T.5S-R.23W."][Shown as locality 78 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus sp.
Teloceras aff. T. itinsae (McLearn)
Zemistephanus richardsoni (Whiteaves)
48AMr147 (Mesozoic loc. 21304) , Iliamna , [Shown as locality 79 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AMr147. Middle Jurassic - Tuxedni Fm, middle siltstone. Same geographic location as no. 21292, same stratigraphic horizon as no. 21302. Fitz Creek near head, 2.45 miles S 9 deg. E of Tonnie Peak. Gray sandy siltstone about 800 feet below the base of the Cynthia Falls member. Sept. 14, 1948."]
Teloceras itinsae (McLearn)
Zemistephanus richardsoni (Whiteaves)
58ADt7 (Mesozoic loc. 27105) , Iliamna , Fitz Creek member of Tuxedni formation. 400 to 500 feet below top. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Fitz Creek member; 400-500 feet below top; rusty-brown weathering silty shale with small limy conc., base of Havenstrite Ridge, 0.1 mi. S. 30 deg. E. of I.B.A. No. 1; Coords. 9.85-11.70, 59 deg. 45'04"N., 153 deg. 13'48"W."][Shown as locality 80 on Pl. 3 of Detterman and Hartsock, 1966]
Strigoceras sparsum Imlay
Chondroceras cf. C. allani (McLearn)
58ADt9 (Mesozoic loc. 27109) , Iliamna , Fitz Creek member of Tuxedni formation. About 600 feet below top. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Fitz Creek member; about 600 feet below top; lith. similar to 58ADt8; west limb of anticline, Fitz Creek, 1.13 mi. S. 53 deg. W. of Beal No. 1; Coords. 8.58-10.47, 59 deg. 44'N., 153 deg. 16'W."][Shown as locality 81 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus sp.
Chondroceras sp.
Teloceras itinsae (McLearn)
44AWWF69 (Mesozoic loc. 20002) , Iliamna , [Shown as locality 82 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "44AWWF69. Tuxedni Fm., Fitz Creek siltstone mbr. SW Alaska, Cook Inlet Region, Iniskin Peninsula. SW side of Fitz Creek at mouth of small tributary about 400 ft. southeast of abandoned oil well I.B.A.#1; 1.92 miles S 55 deg. E from Tonnie Peak. Strat. Pos. 600 ft. below top of Fitz Creek siltstone. Lithology - gray sandy shale with thins beds of sandstone. Lower part of unit contains concertions. Coll. Wedow, 44NB Kellum #3 P 7, Sept. 29, 1944."]
Holcophylloceras cf. H. costisparsum Imlay
Chondroceras cf. C. allani (McLearn)
Normannites (Itinsaites) variabilis Imlay
48AMr144 (Mesozoic loc. 21306) , Iliamna , Tuxedni formation, Cynthia Falls member. Basal part, or top of middle siltstone member, on stream entering Fitz Creek from southeast near I.B.A. well, 2.17 miles S. 55 deg. E. of Tonnie Peak, Iniskin Peninsula. (description from Imlay E&R report of 1/16/50)[Transmittal sheet of Grantz dated Nov. 23, 1949 provides following description: "Additional microfossil collection from the 1948 locality (lot 21306). Field relations indicate either basal Cynthia Falls or top of Middle siltstone member of the Tuxedni formation."][Detterman and Hartsock, 1966, p. 32 (faunal list), loc. 84 on Pl. 3][Shown as locality 84 on Pl. 3 of Detterman and Hartsock, 1966]
Chondroceras cf. C. allani (McLearn)
Chondroceras sp.
Normannites (Itinsaites) cf. (I.) variabilis Imlay
48AMr146 (Mesozoic loc. 21303) , Iliamna , Tuxedni formation. middle siltstone member. Gray sandy siltstone about 800 feet below Cynthia Falls sandstone member on Fitz Creek near head, 2.51 miles S. 11 deg. E. of Tonnie Peak, Iniskin Peninsula. (description from Imlay E&R report of 1/16/50)[Detterman and Hartsock, 1966, p. 32 (faunal list), loc. 86 on Pl. 3][Shown as locality 86 on Pl. 3 of Detterman and Hartsock, 1966]
Chondroceras sp.
Normannites (Itinsaites) variabilis Imlay
49AMr39 (Mesozoic loc. 21769) , Iliamna , Tuxedni formation, Cynthia Falls member. Basal part of top of middle siltstone member, on southwest bank of Fitz Creek, 0.2 miles below the I.B.A. well; 1.94 miles S. 64 deg. E. of Tonnie Peak, Iniskin Peninsula. (description from Imlay E&R report of 1/16/50)[Grantz transmittal sheet of Nov. 23, 1949 provides following description: "Siltstone outcrop on SW bank of Fitz Creek 0.2 mile below I.B.A. well; 1.94 miles S. 64 deg. E. of Tonnie Peak. Field relations indicate basal Cynthia Falls or top of middle siltstone member of the Tuxedni formation."][Detterman and Hartsock, 1966, p. 32 (faunal list), loc. 89 on Pl. 3][Shown as locality 89 on Pl. 3 of Detterman and Hartsock, 1966]
Phylloceras sp.
Chondroceras defontii (McLearn)
58ADt6 (Mesozoic loc. 27107) , Iliamna , Fitz Creek member of Tuxedni formation. 550-600 feet below top. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Fitz Creek member; 550-600' below top; gray silty shale and siltstone, section faulted. Forky Creek, 1.22 mi. N. 5 deg. W. of I.B.A. No. 1; Coords. 9.70-12.97, 59 deg. 46'10"N., 153 deg. 14'03"W."][Shown as locality 94 on Pl. 3 of Detterman and Hartsock, 1966]
Teloceras itinsae (McLearn)
F-61 (Mesozoic loc. 19944) , Iliamna , [Shown as locality 99a on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 48'21" N., 153 deg. 08'01" W.][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Fitz Creek siltstone. Orig. no. F-61. SW Alaska, Cook Inlet, Iniskin Peninsula. Southwest side of Tonnie Creek about 1500 feet upstream from the trail crossing at mouth of canyon and 1.3 miles S 60 deg. E of Tonnie Peak and 20 feet above stream level. 190 feet above the base of the Fitz Creek siltstone. Shaly sandstone plus 2 concretions. Collected by Wedow and Kellum, Sept. 25, 1944."]
Gastropods undet.
Inoceramus sp.
Phylloceras sp.
Belemnites
50AHa60 (Mesozoic loc. 22534) , Iliamna , Tuxedni formation, middle siltstone member. (description from Imlay E&R report of Feb. 13, 1951; Shipment AF-50-33)[Shown as locality 102 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus sp.
Chondroceras sp.
44AWW F-70 (Mesozoic loc. 20003) , Iliamna , [Shown as locality 105 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "44AWW F-70. Middle Jurassic - Tuxedni Fm. SW Alaska, Cook Inlet Region, Iniskin Peninsula. Northeast slope of Havenstrite Ridge in small steep canyon about 1300 ft. southeast of abandoned oil well I.B.A. #1, 2.06 miles S 57 deg. E of Tonnie Peak. Strat. Pos. 80 ft. below the top of the Fitz Creek siltstone. Lithology - Light green medium grained arkose weathering dark brown. Coll. Wedow and Kellum 44NB Kellum 3 P. 9, Sept. 29, 1944."]
Cucullaea sp.
Inoceramus sp.
49AMr38 (Mesozoic loc. 21768) , Iliamna , Tuxedni formation, middle siltstone member. 50 to 150 feet below top of member on south bank of Fitz Creek, 2.35 miles S. 2 deg. E. of Tonnie Peak, Iniskin Peninsula. (description from Imlay E&R report of 1/16/50)[Grantz transmittal sheet of Nov. 23, 1949 provides following description: "100 foot interval of middle siltstone member of the Tuxedni formation, 50-150 feet below the top of the member; outcrop on south bank of Fitz Creek, 2.35 miles S. 2 deg. E. of Tonnie Peak."][Shown as locality 106 on Pl. 3 of Detterman and Hartsock, 1966]
Chondroceras allani (McLearn)
Normannites (Itinsaites) variabilis Imlay
51AGz81 (Mesozoic loc. 22691) , Iliamna , 0.33 mile from Chinitna Bay on small stream next north of Coffin Creek and near Fitz Creek, Iniskina Peninsula. (description from Imlay E&R report of Dec. 20, 1951; shipment AF-51-40)[Shown as locality 108 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 48'20" N., 153 deg. 07'47" W.]
Belemnites
F-38 (Mesozoic loc. 19971) , Iliamna , [Shown as locality 63 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Fitz Creek Siltstone. Orig. no. F-38. SW Alaska, Cook Inlet Region, Iniskin Peninsula. SW side of Gaikima Creek about 2900 feet upstream from the mouth of South Fork or 1.6 miles N 83 deg. W of the mouth of Fitz Creek. 80 feet above of the Fitz Creek siltstone. Shaly sandstone. Collected by Wedow and Kellum, Sept. 16, 1944."]
Pinna sp.
Pleuromya sp.
Pholadomya sp.
58ADt12 (Mesozoic loc. 27110) , Iliamna , Fitz Creek member of Tuxedni formation. 200-300 feet above base. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Fitz Creek member; 200-300 feet above base; sandstone and siltstone with conglomerate interbeds; Gaikema Creek, 1.5 mi. N. 80 W. of mouth of Fitz Creek; Coords. 10.85-15.65, 59 deg. 48'30"N., 153 deg. 12'08"W. Same locality as 26599."][Shown as locality 69 on Pl. 3 of Detterman and Hartsock, 1966]
Brachiopods undet.
Inoceramus ambiguus Eichwald
Pleuromya sp.
Plagiostoma sp.
Teloceras itinsae (McLearn)
57ADt12 (Mesozoic loc. 26599) , Iliamna , "Fitz Creek" member of Tuxedni Formation. Lower part sandstone and congl. interbeds, Gaikena Creek. (description from Imlay E&R report of 1/22/58; Shipment A-58-1)[Transmittal sheet of Detterman, dated 12/18/57 provides following description: "Fitz Creek member, lower part sandstone and conglomerate siltstone interbeds; Gaikema Creek, Coords: 10.85-15.65; 59 deg. 48'30"N, 153 deg. 12'05"W."][Shown as locality 69 on Pl. 3 of Detterman and Hartsock, 1966]
Inoceramus sp.
Calliphylloceras sp.
Chondroceras sp.
Normannites (Itinsaites) cf. (I.) crickmayi (McLearn)
Normannites (Itinsaites) itinsae (McLearn)
Stephanoceras (Skirroceras) kirschneri Imlay
Zemistephanus richardsoni (Whiteaves)
48AI28 (Mesozoic loc. 21305) , Iliamna , [Shown as locality 69 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AI28. Middle Jurassic - Tuxedni Fm - middle siltstone. Same geographic location as no. 21292, same stratigraphic horizon as no. 21302. Gaikema Creek, 1.63 miles N 81 deg. W of dock at mouth of Fitz Creek. Gray sandy siltstone ------ ft above top of Gaikema member. Same location as lot ----- orig. no. ------- of Kellum and Wedow. July 8, 1948."]
Inoceramus sp.
Pleuromya sp.
Normannites (Itinsaites) crickmayi (McLearn)
Teloceras itinsae (McLearn)
Zemistephanus richardsoni (Whiteaves)
44AWW11 (Mesozoic loc. 19942) , Iliamna , [Shown as locality 70 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Fitz Creek member. Orig. no. 44AWW11. SW Alaska, Cook Inlet region, Iniskin Peninsula. Right side of south fork of Gaikima Creek about 4500 ft upstream from its confluence with Gaikima Creek and 1.5 miles S 82 1/2 deg. W from the mouth of the tributary to Fitz Creek. 260 ft above the base of the Fitz Creek siltstone member. Gray sandy shale interbedded with sandstone, weathers a rusty yellow brown. Collected by H. Wedow, 1944."]
Inoceramus sp.
Pholadomya sp.
F-40 (Mesozoic loc. 19973) , Iliamna , [Shown as locality 72 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Fitz Creek. Orig. no. F-40. SW Alaska, Cook Inlet region, Iniskin Peninsula. North side of Gaikima Creek about 3000 feet upstream from the mouth of South Fork and 1.57 miles N 81 deg. W of mouth of Fitz Creek and at an elevation of 180 feet above stream level. Strat. Pos. 320 feet above the base of the Fitz Creek siltstone. Lithology - sandy shale light gray and some layers of rusty yellow and limestone stringers. Coll. Wedow and Kellum 44NB Kellum #2 p. 48-9. Sept. 16, 1944."]
Inoceramus sp.
Pleuromya sp.
Teloceras itinsae (McLearn)
F-42 (Mesozoic loc. 19975) , Iliamna , [Shown as locality 72 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-42. Tuxedni Fm., Fitz Creek siltstone. SW Alaska, Cook Inlet region, Iniskin Peninsula. North side of Gaikima Creek about 3300 ft. upstream from the mouth of South Fork and 1.68 miles N 82 deg. W from the mouth of Fitz Creek at stream leve, same as #48AI28. USGS Mesoz. #21305. Strat. Pos. 360 above base of the Fitz Creek siltstone. Lithology - ferruginous sandy shale with wood fragments. Coll. Kellum. P. 49, Sept. 16, 1944."]
Parallelodon sp.
Inoceramus sp.
Trigonia sp.
Lima sp.
Pholadomya sp.
Teloceras itinsae (McLearn)
F-45 (Mesozoic loc. 19978) , Iliamna , [Shown as locality 72 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-45. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet area, Iniskin Peninsula. South side of Gaikima Creek about 3400 ft. upstream from the mouth of South Fork and 1.68 miles N 83.1 deg. W from the mouth of Fitz Creek. Opposite USGS Mesozoic Coll. 19977. Strat. Pos. 410 ft. above base of Fitz Creek siltstone. Lithology - gray to gray-green shaly sandstone interbedded with sandy shales, weathers rusty yellow-brown. Coll. Wedow and Kellum. P 49, Sept. 16, 1944."]
Cucullaea sp.
Inoceramus sp.
Camptonectes sp.
Lima sp.
Pleuromya sp.
Pholadomya sp.
Astarte sp.
Lucina sp.
Normannites (Itinsaites) crickmayi (McLearn)
Zemistephanus richardsoni (Whiteaves)
Belemnites
F-43 (Mesozoic loc. 19976) , Iliamna , [Shown as locality 76 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-43. Tuxedni Fm., Fitz Creek siltstone. SW Alaska, Cook Inlet region, Iniskin Peninsula. North side of Gaikima Creek about 3300 ft. upstream from the mouth of South Fork and 1.68 miles N 82 deg. W from the mouth of Fitz Creek 30 ft. above stream level. Strat. Pos. 390 ft. above base of the Fitz Creek siltstone. Lithology - sandstone, with much cleavage due to pressure. Coll. Wedow and Kellum. P 49, Sept. 16." (1944)]
Parallelodon sp.
Belemnites
F-41 (Mesozoic loc. 19974) , Iliamna , [Shown as locality 83 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-41. Tuxedni, Fitz Creek Siltstone. SW Alaska, Cook Inlet region, Iniskin Peninsula. North side of Gaikima Creek about 3250 ft. upstream from the South Fork and 1.6 miles N 81 1/2 deg. W of mouth of Fitz Creek, about 100 ft. above stream beds. Strat. Pos. 440 ft. above base of the Fitz Creek siltstone. Coll. Wedow and Kellum. P 49, Sept. 16, 1944."]
Cucullaea sp.
Parallelodon sp.
Inoceramus sp.
Pteria sp.
Ostrea sp.
Pecten sp.
Camptonectes sp.
Pleuromya sp.
Pholadomya sp.
Astarte sp.
Chondroceras sp.
Normannites (Itinsaites) cf. (I.) crickmayi (McLearn)
Zemistephanus? sp.
Belemnites
F-44 (Mesozoic loc. 19977) , Iliamna , [Shown as locality 83 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-44. Tuxedni fm., Fitz Creek siltstone. SW Alaska, Cook Inlet region, Iniskin Peninsula. North side of Gaikima Creek about 3400 ft. upstream from the mouth of South Fork and 1.68 miles N 82 deg. W of mouth of Fitz Creek. Strat. Pos. 480 ft. above the base of the Fitz Creek siltstone. Lithology - sandstone cut by many changes, may be slump. Coll. Wedow and Kellum. P 49, Sept. 16." (1944)]
Inoceramus sp.
Pholadomya sp.
Normannites (Itinsaites) crickmayi (McLearn)
F-45a (Mesozoic loc. 19979) , Iliamna , [Shown as locality 91 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-45a. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. South side of Gaikima Creek about 1.68 miles N 83 1/8 deg. W of the mouth of Fitz Creek. About 150 ft. above stream bed. Strat. Pos. 200 ft. above coll. 19978, or 630 ft. above the base of the Fitz Creek siltstone member. Lithology - sandstone cut by many cleavage planes. Coll. P 49, Sept. 16, 1944."]
Zemistephanus? sp.
F-48 (Mesozoic loc. 19982) , Iliamna , [Shown as locality 97 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-48. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet region, Iniskin Peninsula. South side of Gaikima Creek at crest of lower falls and 1.8 miles N 82 1/4 deg. W of the mouth of Fitz Creek. Lithology - shaly sandstone with limestone concretions the size of cobbles. Coll. Wedow and Kellum 44N.B. Kellum #2 P 56, Sept. 20, 1944."]
Pinna sp.
Inoceramus sp.
Camptonectes sp.
F-46 (Mesozoic loc. 19980) , Iliamna , [Shown as locality 100 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-46. Tuxedni Fm., Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. South side of Gaikima Creek about 500 ft. upstream from crest of lower falls and about 1.85 miles N 83 deg. W of the mouth of Fitz Creek. About 50 ft. above stream level. Strat. Pos. 480 ft. below the top of the Fitz Creek mbr. Lithology - gray shaly sandstone with rounded concretions of a diameter of 1 ft. and greater. Coll. Wdow and Kellum 44NB Kellum #2 P51, Sept. 18, 1944."]
Inoceramus sp.
Pleuromya sp.
Pholadomya sp.
Belemnites
44AWWF-49 (Mesozoic loc. 20025) , Iliamna , [Shown as locality 103 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "44AWWF-49. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet Region, Iniskin Peninsula. In Gaikima Creek about 400 ft. downstream from Twin Falls, which are about 2 1/4 miles upstream from the mouth of Gikima Creek on the South Shore of Chinitna Bay and 2.02 miles N 84 3/4 W of the mouth of Fitz Creek. Strat. Pos. 320 ft. below top of Fitz Creek siltstone. Lithology - gray sandy shale with few stringers of soft greenish grey medium grained sandstone and larger lenticular calcareous sandstone concretions. Coll. Wedow and Kellum 44NB Kellum #2 P 57, 58, Sept. 20, 1944."]
Inoceramus sp.
Chondroceras allani (McLearn)
F-50 (Mesozoic loc. 19983) , Iliamna , [Shown as locality 110 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-50. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. South side of Gaikima Creek about 300 ft. downstream from twin falls (see also coll. 19983) and 2.05 miles N 85 deg. W of the mouth of Fitz Creek. Strat. Pos. 180 ft. below top of Fitz Creek siltstone, and 50 ft. topographically below the Cynthia falls ss. mbr. Lithology - greenish-gray shale and 1 block of calcareous concretionary mudstone. Coll. Wedow and Kellum 44NB Kellum #2 P 58, Sept. 20, 1944."]
Belemnites
F-47 (Mesozoic loc. 19981) , Iliamna , [Shown as locality 115 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-47. Tuxedni Fm., Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. Small gully south side of Gaikima Creek about 800 ft. upstream from the crest of lower falls and 1.85 miles N 84 deg. W of the mouth of Fitz Creek. About 1.25 ft. above stream level. Strat. Pos. 160 ft. below the top of the Fitz Creek siltstone. Lithology - concretions in shales. Coll. Wedow and Kellum 44NB #2 P 52, Sept. 18, 1944."]
Inoceramus sp.
Chondroceras allani (McLearn)
Stephanoceras? sp.
Stemmatoceras sp. juv.
Belemnites
F-51 (Mesozoic loc. 19984) , Iliamna , [Shown as locality 115 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-51. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. North side of Gaikima Creek about 200 ft. downstream from the falls and 2.1 miles N 85 1/2 deg. W of the mouth of Fitz Creek. Strat. Pos. 120 ft. below the top of the Fitz Creek siltstone. Lithology - greenish-gray sandy shale and numerous small concretions. Coll. Wdow and Kellum 44NB Kellum #2 P 58, Sept. 20, 1944."]
Chondroceras allani (McLearn)
48AHr8 (Mesozoic loc. 21292) , Iliamna , [Shown as locality 101 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 48'40" N., 153 deg. 07'08" W.][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "(Orig. no. 48AHr8). Middle Jurassic - Tuxedni Fm - Lowest Silstone Mbr. Cook Inlet Region, D-12 District, N.W. 1/4 of the NW 1/4 of Quadrangle no. ------. Chinitna Bay area (Iniskin Peninsula). Coll. Ralph W. Imlay, Don J. Miller, & John K. Hartsock. Notebook reference. Miller, 1948, pp. 3-17, 29; 47-50. Imlay 1948 pp. -----. Hartsock, 1948 Notebook #1 - pp. 14-15. Lower member of the Tuxedni Fm. (equlaes silstone member of Kialagvik-Kirashner. Bluffs above beach about 1 mile east of mouth of Fitz Creek. Pt 24A. Coll. Hartsock. July 26, 1948."]
Astarte sp.
Stephanoceras sp.
57ADt10 (Mesozoic loc. 26596) , Iliamna , "Fitz Creek" member of Tuxedni Formation. Upper part, but below 57ADt9. (description from Imlay E&R report of 1/22/58; Shipment A-58-1)[Transmittal sheet of Detterman, dated 12/18/57 provides following description: "Fitz Creek member; upper part but below 57ADt9; lithology similar; south shore Chinitna Bay; Coords: 13.6-15.75; 59 deg. 48'30"N; 153 deg. 07'25"W."][Shown as locality 107 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 48'52" N., 153 deg. 06'22" W. - note this differs somewhat from the coordinates cited above that were given in Detterman's transmittal sheet.]
Grammatodon sp.
Inoceramus sp.
Sonninia cf. S. tuxedniensis Imlay
Belemnites
48AMr9 (Mesozoic loc. 21302) , Iliamna , [Shown as locality 109 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 48'41" N., 153 deg. 07'27" W.][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AMr9. Middle Jurassic - Tuxedni Fm. Midd.e siltstone memb. Same geographic location as no. 21292, Middle siltstone member of the Tuxedni formation(equals lower siltstone member of the "Tuxedni" restricted(?) of Kirschner). 60 yds west of Point 26A, almost 3/4 mile along beach N.E. of mouth of Fitz Creek, siltstone exposed on bluffs above beach near top of lower siltstone member of Tuxedni. Coll. Jack Hartsock - N.B. 1 - P. 15, July 15, 1948."]
Normannites (Itinsaites) cf. (I.) crickmayi (McLearn)
Zemistephanus cf. Z. richardsoni (Whiteaves)
44AWW 2 (Mesozoic loc. 19932) , Iliamna , [Shown as locality 111 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 48'39" N., 153 deg. 07'49" W.][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "44AWW 2. Middle Jurassic-Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. Same general geographic locality as No. 19931. South shore of Chinitna Bay, about 0.95 miles N 69 deg. E of the mouth of Fitz Creek (opposite the old landing and center of creek). Strat. Pos. Just below the base of the Cynthia Falls member of the Tuxedni. Same as 49AHa3, 48AHa9. Lithology. Coll. H. Wedow July 1944."]
Inoceramus sp.
Holcophylloceras sp. juv.
49AHa1 (Mesozoic loc. 22552) , Iliamna , Tuxedni formation, Middle silstone member. South shore of Chinitna Bay near axis of Fitz Creek anticline (50 yds. east of pt. 37c) Iniskin Peninsula (description from Imlay E&R report of Feb. 13, 1951; Shipment AF-50-33)[Shown as locality 111 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 48'39" N., 153 deg. 07'49" W.]
Normannites sp.
44AWW 2a (Mesozoic loc. 19933) , Iliamna , [Shown as locality 112 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 48'41" N., 153 deg. 07'16" W.][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "44AWW 2a. Jurassic-Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet. South shore of Chinitna Bay, about 0.8 mile N 66 deg. E of the mouth of Fitz Creek (opposite the old landing in center of creek). Strat. Pos. just below the base of the Cynthia Falls sandstone member and above coll. 19932 stratigraphically. Lithology. Coll. H. Wedow."]
Chondroceras sp.
49AHa3 (Mesozoic loc. 22533) , Iliamna , Tuxedni formation, middle siltstone member. South shore of Chinitna Bay on axis of Fitz Creek anticline (80 yds. east of pt. 37c) Iniskin Peninsula. (description from Imlay E&R report of Feb. 13, 1951; Shipment AF-50-33)[Shown as locality 112 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 48'41" N., 153 deg. 07'16" W.]
Gastropods undet
Inoceramus sp.
Macrophylloceras sp. indet.
Chondroceras sp.
Zemistephanus richardsoni (Whiteaves)
Belemnites
57ADt8 (Mesozoic loc. 26594) , Iliamna , "Fitz Creek" member of Tuxedni Formation. Upper 150 feet. South Shore Chinitna Bay. (description from Imlay E&R report of 1/22/58; Shipment A-58-1))[Transmittal sheet of Detterman, dated 12/18/57 provides following description: "Fitz Creek member of Tuxedni formation; upper 150 feet; greenish sandstone lenses and concretions in siltstone; south shore Chinitna Bay; Coords: 14.52-16.35; 59 deg. 49'05"N, 153 deg. 05'55"W."][Shown as locality 113 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 49'03" N., 153 deg. 06'02" W. - note that this differs somewhat from coordinates given in transmittal sheet of Detterman cited above.]
Chondroceras sp.
57ADt9 (Mesozoic loc. 26595) , Iliamna , "Fitz Creek" member of Tuxedni Formation. Upper part. South Shore Chinitna Bay. (description from Imlay E&R report of 1/22/58; Shipment A-58-1)[Transmittal sheet of Detterman, dated 12/18/57 provides following description: "Fitz Creek member; upper part blue-gray siltstone with sandstone interbeds and limy concretions; south shore Chinitna Bay; Coords: 13.93-15.9; 59 deg. 48'40"N, 153 deg. 07'W."][Shown as locality 114 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 48'59" N., 153 deg. 06'11" W. - note this differs somewhat from the coordinates given in transmittal sheet of Detterman cited above.]
Inoceramus sp.
Zemistephanus? sp.
49AGz1 (Mesozoic loc. 21772) , Iliamna , Tuxedni formation, middle siltstone member or Cynthia Falls member. Concretion from drift in gully 0.5 miles east of Fitz Creek on south shore of Chinitna Bay, Iniskin Peninsula. (description from Imlay E&R report of 1/16/50)[Grantz transmittal sheet of Nov. 23, 1949 provides following description: "Ammonite in concretion from drift in gully 0.5 miles east of Fitz Creek, at shore of Chinitna Bay. Middle siltstone or Cynthia Falls member of Tuxedni."][Shown as locality 116 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 48'37" N., 153 deg. 07'20" W.]
Zemistephanus richardsoni (Whiteaves)
50AGz83 (Mesozoic loc. 22528) , Iliamna , Tuxedni formation, lower or middle siltstone member, 6.0 miles S55E of peak of Mt. Iliamna north of Chinitna Bay. (description from Imlay E&R report of Feb. 13, 1951; Shipment AF-50-33)[Shown as locality 92 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 59'06" N., 152 deg. 56'08" W.]
Normannites (Itinsaites) variabilis Imlay
58AHw10 (Mesozoic loc. 27112) , Seldovia , Fitz Creek or Gaikema member of Tuxedni formation. Near contact. (description from Imlay E&R report of 12/30/58; Shipment A-58-14) [Transmittal sheet of Detterman, dated Nov. 24, 1958, provides following description: "Fitz Creek or Gaikema members; near contact; Rusty weathering siltstone with numerous limestone conc., Ridge northwest of Hickerson L., 1.46 mi. N. 54 1/2 deg. W. of head of Hickerson L.; Coords. 0.94-9.48, 59 deg. 58'12"N., 152 deg. 58'20"W."][Shown as locality 98 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 58'12" N., 152 deg. 58'49" W.]
Pleuromya sp.
Goniomya sp.
No Data (Mesozoic loc. 24331) , Kenai , [Shown as locality 65 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 08'32" N., 152 deg. 43'49" W.](prob. Werner Juhle collection)
Chondroceras sp.
Teloceras aff. T. itinsae (McLearn)
51AHa9 (Mesozoic loc. 22721) , Kenai , About half a mile below head of a tributary of Bear Creek which joins Bear Creek at a point 2.53 miles from Tuxedni Bay. (description from E&R report of Imlay dated Dec. 20, 1951; Shipment AF-51-42)[Transmittal sheet of Hartsock, dated Nov. 30, 1951 provides further details: "One hundred yards upstream from traverse point 64H on Bear Creek, south side of Tuxedni Bay, about 1/2 mile below head of stream. Ammonite collected in siltstone believed to belong to Bowser formation."][Shown as locality 66 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 05'57" N., 152 deg. 45'13" W.][Imlay, 1964, p. B23 provides following description: "J.K. Hartsock, 1951. Tuxedni Bay area. On tributary of Bear Creek, 3.56 miles S. 38 deg. W. of mouth of Bear Creek. Fitz Creek Siltstone, 150 ft above base."]
Oppelia stantoni Imlay
51AHa10 (Mesozoic loc. 22722) , Kenai , 200 yards below head of same tributary to Bear Creek as in lot 51AHa9 and about 100 feet below summit of divide between Bear Creek and Johnson River. (description from E&R report of Imlay dated Dec. 20, 1951; Shipment AF-51-42)[Transmittal sheet of Hartsock, dated Nov. 30, 1951 provides further details: "Two hundred yards downstream from head of Bear Creek. Ammonite collected in float about 100 feet topographically below traverse point 65H on summit of divide between Bear Creek and Johnson River. ----- (illegible) came from Bowser siltstone, as nothing else was observed between this locality and the divide."][Shown as locality 71 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 05'53" N., 152 deg. 45'06" W.]
Stephanoceras sp.
51AGz136 (Mesozoic loc. 22705) , Kenai , On Bear Creek 2.36 miles from Tuxedni Channel. (description from Imlay E&R report of Dec. 20, 1951; shipment AF-51-40)[Shown as locality 88 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 06'32" N., 152 deg. 44'34" W.]
Stemmatoceras ursinum Imlay
51AGz137 (Mesozoic loc. 22706) , Kenai , 0.12 mile above mouth of tributary entering Bear Creek from southeast, 2.53 miles from Tuxedni Channel. (description from Imlay E&R report of Dec. 20, 1951; shipment AF-51-40)[Shown as locality 95 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 06'25" N., 152 deg. 44'18" W.]
Sonninia cf. S. tuxedniensis Imlay
48AI65 (Mesozoic loc. 21270) , Kenai , [Shown as locality 85 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'54" N., 152 deg. 41'33" W.][Imlay, 1964, p. B23 provides following description: "R.W. Imlay and D.J. Miller, 1948. Tuxedni Bay area, 0.52 mile N. 87 deg. W. of Fossil Point. Fitz Creek Siltstone. From silty sandstone 150 ft below top. Same as unit 19 of section by Stanton and Martin."]
Inoceramus sp.
Chondroceras defontii (McLearn)
Normannites (Itinsaites) crickmayi (McLearn)
Stemmatoceras tuxedniense Imlay
Teloceras itinsae (McLearn)
Zemistephanus richardsoni (Whiteaves)
48AI66 (Mesozoic loc. 21271) , Kenai , [Shown as locality 90 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'56" N., 152 deg. 41'25" W.][Imlay, 1964, p. B23 provides following description: "R.W. Imlay and D.J. Miller, 1948. Tuxedni Bay area, 0.40 mile N. 87 deg. W. of Fossil Point. Fitz Creek Siltstone, from silty sandstone, 100 ft below top. Same as unit 14 of section by Stanton and Martin."]
Lissoceras sp.
Chondroceras defontii (McLearn)
Normannites (Itinsaites) crickmayi (McLearn)
Normannites (Itinsaites) cf. (I.) itinsae (McLearn)
Zemistephanus richardsoni (Whiteaves)
48AI73 (Mesozoic loc. 21274) , Kenai , [Shown as locality 90 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'56" N., 152 deg. 41'25" W.][Imlay, 1964, p. B23 provides following description: "R.W. Imlay and D.J. Miller, 1948. Tuxedni Bay area, 0.40 mile N. 87 deg. W. of Fossil Point. Fitz Creek Siltstone, from silty sandstone, 100 ft below top."]
Normannites sp.
Stephanoceras (Skirroceras) kirschneri Imlay
Zemistephanus richardsoni (Whiteaves)
48AI74 (Mesozoic loc. 21275) , Kenai , [Shown as locality 93 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'59" N., 152 deg. 41'12" W.] ][Imlay, 1964, p. B23 provides following description: "R.W. Imlay and D.J. Miller, 1948. Tuxedni Bay area, 0.3 mile N. 87 deg. W. of Fossil Point. Fitz Creek Siltstone, from silty sandstone, 75 ft below top."]
Chondroceras defontii (McLearn)
Normannites (Itinsaites) crickmayi (McLearn)
Teloceras itinsae (McLearn)
Zemistephanus carlottensis (Whiteaves)
48AI175 (Mesozoic loc. 21276) , Kenai , [Shown as locality 96 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 10'00" N., 152 deg. 41'08" W.][Imlay, 1964, p. B23 provides following description: "R.W. Imlay and D.J. Miller, 1948. Tuxedni Bay area, 0.25 miles N. 87 deg. W. of Fossil Point, Fitz Creek Siltstone, from silty sandstone, 25-60 ft below top. Same as unit 8 of section by Stanton and Martin."]
Chondroceras defontii (McLearn)
Chondroceras cf. C. allani (McLearn)
49AMr42 (Mesozoic loc. 21771) , Iliamna , Tuxedni formation, middle siltstone member. Upper part, from southeast side of Fitz Creek, 2.8 miles N. 71 deg. E. of Tonnie Peak, Iniskin Peninsula. (description from Imlay E&R report of 1/16/50)[Grantz transmittal sheet of Nov. 23, 1949 provides following description: "Microfossils from siltstone outcrop on SE of Fitz Creek, 2.8 miles N 71 E of Tonnie Peak. Field relations indicate upper part of middle siltstone member of the Tuxedni formation."][Shown as locality 117 on Pl. 3 of Detterman and Hartsock, 1966]
Rhynchonellid brachiopod
Grammatodon sp.
Chondroceras defontii (McLearn)
48AMr145 (Mesozoic loc. 21307) , Iliamna , [Shown as locality 119 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AMr145. Middle Jurassic - Tuxedni Fm. - Cynthia Falls Mbr. Same geographical location as no. 21292. East side of Fitz Creek, 2.0 [note by R.B. Blodgett: handwritting unclear, number could also be 2.8 or 2.9) miles S 53 deg. E of Tonnie Peak (about 400 ft. southeast of I.B.A. well). Gray siltstone, position in formation not known. Sept. 14, 1948."]
Stephanoceras sp.
44AWW F-71 (Mesozoic loc. 20004) , Iliamna , [Shown as locality 120 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "44AWW F-71. Tuxedni, Cynthia Falls member. SW Alaska, Cook Inlet region, Iniskin Peninsula. Northeast slope of Havenstrite Ridge in small steep canyon about 1550 ft. southeast of abandoned oil well I.B.A. #1, 2.14 miles S 58 deg. E from Tonnie Peak. Strat. Pos. 200 ft. above base of Cynthia Falls sandstone mbr. Lithology - gray shale, very fine and weathers dark blue gray. Coll. Wedow and Kellum 44NB Kellum #3 P. 10, Sept. 29, 1944."]
Inoceramus sp.
Mytilus sp.
50AGz8 (Mesozoic loc. 22444) , Iliamna , Tuxedni formation, middle silstone member, on stream tributary to Bowser Creek from west about 1 mile above junction, 0.7 mile S37E of hill 1160 (hill just southeast of large landslide), Iniskin Peninsula. (description from Imlay E&R report of Feb. 13, 1951; Shipment AF-50-33)[Transmittal sheet of Hartsock, dated Nov. 6, 1950 provides this description: "On stream trib. to Bowser Ck. from the west. 0.7 mi. S37E hill 1160, S. Iniskin. Cynthia Falls member"][Shown as locality 123 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 59 deg. 41'37" N., 153 deg. 19'48" W.]
Ammonite fragment (undet.)
48AI79 (Mesozoic loc. 21280) , Kenai , [Shown as locality 118 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 09'48" N., 152 deg. 40'52" W.][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AI79. Middle Jurassic - Tuxedni Formation. Same geographic location as no. 21261. West shore of Tuxedni Harbor, 900 feet south of Fossil Point. Sandstone and siltstone in lower 20 feet of unit no. 1 of Stanton-Martin section."]
Chondroceras sp.
Stephanoceras sp.
51AGz138 (Mesozoic loc. 22707) , Kenai , 0.18 mile above mouth of tributary entering Bear Creek from southest as located in lot 51AGz137. (description from Imlay E&R report of Dec. 20, 1951; shipment AF-51-40)[Shown as locality 121 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 06'18" N., 152 deg. 43'49" W.]
Chondroceras defontii (McLearn)
Chondroceras sp.
51AGz139 (Mesozoic loc. 22708) , Kenai , 0.23 mile above mouth of tributary to Bear Creek from southeast, 2.53 miles from Tuxedni Channel. (description from Imlay E&R report of Dec. 20, 1951; shipment AF-51-40)[Shown as locality 122 on Pl. 3 of Detterman and Hartsock, 1966 - Note by R.B. Blodgett: digitization of this point gives approx. lat. 60 deg. 06'14" N., 152 deg. 43'47" W.]
Ammonite fragment (undet.)