Sample Detail of
Sample: Sample No. F-57 -- USGS No. Mesozoic loc. 19990
Locality: Field No. F-57
Description: [Shown as locality 55 on Pl. 3 of Detterman and Hartsock, 1966][Entry card in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Gaikima sandstone mbr. Orig. no. F-57. SW Alaska, Cook Inlet region, Iniskin Peninsula. Southwest side of Tonnie Creek about 950 feet from the trail crossing at the mouth of the canyon and 1.45 miles S 60o E from the top of Tonnie Peak. 220 feet below the top of the Gaikima. Light greenish-gray fine grained, firmly consolidated sandstone. Collected by Wedow and Kellum, Sept. 24, 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: Gaikema Sandstone
Comment:Geographic location: Tonnie Creek-Fitz Creek area
Map reference (pl. 3): 55
Stratigraphic position below top of formation (ft): 280-300
all above data from Table 5, p. 28
Occurrence(s)
No. Group Name Qty Notes
1 Belemnites Belemnites