Sample Detail of
Sample: Sample No. F-20 -- USGS No. Mesozoic loc. 19951
Locality: Field No. F-20
Description: [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."]
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: Red Glacier Formation
Comment:Geographic location: Gaikema Creek
Map reference (pl. 3): 2
Stratigraphic position below top of formation (ft): 50
all above data from Table 4, p. 24
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Cucullaea sp. fauna identified by R.W. Imlay
2 Bivalves Inoceramus sp.
3 Bivalves Trigonia sp.
4 Bivalves Pecten sp.
5 Ammonoids Otoites filicostatus Imlay