Sample Detail of
Sample: Sample No. F-25 -- USGS No. Mesozoic loc. 19957
Locality: Field No. F-25
Description: [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."]
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: South shore of Chinitna Bay
Map reference (pl. 3): 17
Stratigraphic position below top of formation (ft): 250-300
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 Astarte sp.
3 Ammonoids Witchellia sp.