Sample Detail of
Sample: Sample No. F-45 -- USGS No. Mesozoic loc. 19978
Locality: Field No. F-45
Description: [Shown as locality 72 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-45. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet area, Iniskin Peninsula. South side of Gaikima Creek about 3400 ft. upstream from the mouth of South Fork and 1.68 miles N 83.1o W from the mouth of Fitz Creek. Opposite USGS Mesozoic Coll. 19977. Strat. Pos. 410 ft. above base of Fitz Creek siltstone. Lithology - gray to gray-green shaly sandstone interbedded with sandy shales, weathers rusty yellow-brown. Coll. Wedow and Kellum. P 49, Sept. 16, 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: Gaikema Creek
Map reference (pl. 3): 72
Stratigraphic position below top of formation (ft): 350
all above data from Table 6, p. 33
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Cucullaea sp.
2 Bivalves Inoceramus sp.
3 Bivalves Camptonectes sp.
4 Bivalves Lima sp.
5 Bivalves Pleuromya sp.
6 Bivalves Pholadomya sp.
7 Bivalves Astarte sp.
8 Bivalves Lucina sp.
9 Ammonoids Normannites (Itinsaites) crickmayi (McLearn)
10 Ammonoids Zemistephanus richardsoni (Whiteaves)
11 Belemnites Belemnites