Sample Detail of
Sample: Sample No. F-21 -- USGS No. Mesozoic loc. 19952
Locality: Field No. F-21
Description: [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 1/2o 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."]
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): 25
Stratigraphic position below top of formation (ft): 780
all above data from Table 4, p. 25
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Pteria sp. fauna identified by R.W. Imlay
2 Bivalves Pecten sp.
3 Bivalves Goniomya sp.