Sample Detail of
Sample: Sample No. F-52 -- USGS No. Mesozoic loc. 19985
Locality: Field No. F-52
Description: [Shown as locality 1 on Plate 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Jurassic - Tuxedni, Iniskin siltstone. Orig. no. F-52. SW Alaska, Cook Inlet Region, Iniskin Peninsula. Northeast side of Tonnie Creek about 300 feet upstream from trail crossing at mouth of canyon and 1.62 miles S 64o E of Tonnie Peak. 95 feet below the top of the Iniskin siltstone. Lens of concretionary gray sandstone in sandy shale. 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: Red Glacier Formation
Comment:Geographic location: Tonnie Creek area
Map reference (pl. 3): 1
Stratigraphic position below top of formation (ft): 100
all above data from Table 4, p. 24
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Pinna sp. fauna identified by R.W. Imlay
2 Bivalves Pholadomya sp.