Sample Detail of
Sample: Sample No. F-61 -- USGS No. Mesozoic loc. 19994
Locality: Field No. F-61
Description: [Shown as locality 68 of Detterman and Hartsock, 1966 ][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-61. Tuxedni, Fitz Creek Siltstone. SW Alaska, Cook Inlet, Iniskin Peninsula. SW side of Tonnie Creek about 1500 ft. upstream from the trail crossing at mouth of canyon and 1.3 miles S 60 E Tonnie Peak and 20 ft. above stream level. Strat. Pos. 190 ft. above the base of of the Fitz Creek siltstone. Lithology - shaly sandstone plus 2 concretions. Coll. Wedow and Kellum 44NB Kellum #2 P 68, Sept. 25, 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: Tonnie Creek-Twist Creek area
Map reference (pl. 3): 68
Stratigraphic position below top of formation (ft): 200
all above data from Table 6, p. 32
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Parallelodon sp.
2 Bivalves Pholadomya sp.
3 Bivalves Astarte sp.
4 Belemnites Belemnites