Sample Detail of
Sample: Sample No. F-50 -- USGS No. Mesozoic loc. 19983
Locality: Field No. F-50
Description: [Shown as locality 110 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-50. Tuxedni, Fitz Creek siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. South side of Gaikima Creek about 300 ft. downstream from twin falls (see also coll. 19983) and 2.05 miles N 85o W of the mouth of Fitz Creek. Strat. Pos. 180 ft. below top of Fitz Creek siltstone, and 50 ft. topographically below the Cynthia falls ss. mbr. Lithology - greenish-gray shale and 1 block of calcareous concretionary mudstone. Coll. Wedow and Kellum 44NB Kellum #2 P 58, Sept. 20, 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): 110
Stratigraphic position below top of formation (ft): 1070
all above data from Table 6, p. 33
Occurrence(s)
No. Group Name Qty Notes
1 Belemnites Belemnites