Sample Detail of
Sample: Sample No. F-63 -- USGS No. Mesozoic loc. 19996
Locality: Field No. F-63
Description: [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 60o 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."]
Location: Alaska Quadrangle: Iliamna D-1
Reference
Title: Geology of the Iniskin-Tuxedni Region, Alaska ,  1966
Report by: Robert L. Detterman , John K. Hartsock
Age: Bajocian (middle Bajocian)
Formation: Fitz Creek Siltstone
Comment:Geographic location: Tonnie Creek-Twist Creek area
Map reference (pl. 3): 75
Stratigraphic position below top of formation (ft): 330
all above data from Table 6, p. 32
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Cucullaea sp.
2 Bivalves Inoceramus sp.
3 Bivalves Pteria sp.
4 Bivalves Trigonia sp.
5 Bivalves Lima sp.
6 Bivalves Pleuromya sp.
7 Bivalves Astarte sp.
8 Belemnites Belemnites