Sample Detail of
Sample: Sample No. F-58 -- USGS No. Mesozoic loc. 19991
Locality: Field No. F-58
Description: [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 60o 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."]
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
Formation: Gaikema Sandstone
Comment:Geographic location: Tonnie Creek-Fitz Creek area
Map reference (pl. 3): 55
Stratigraphic position below top of formation (ft): 350
all above data from Table 5, p. 28
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Trigonia sp.
2 Bivalves Camptonectes sp.
3 Bivalves Pholadomya sp.
4 Bivalves Thracia sp.
5 Bivalves Arctica sp.
6 Bivalves Protocardia sp.