Sample Detail of
Sample: Sample No. F-67 -- USGS No. Mesozoic loc. 20000
Locality: Field No. F-67
Description: [Shown as locality 104 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "F-67. Tuxedni Fm., Fitz Creek siltstone. SW Alaska, Cook In let, Iniskin Peninsula. NE side of Tonnie Creek about 200 ft. downstream from the rapids mentioned in coll. 19999, and 1.1 miles S 58 3/4o E of Tonnie Peak. Strat. Pos. 300 ft. below the top of the Fitz Creek siltstone. Lithology - gray shale with numerous small light gray sandy concretion. Coll. Kellum 44NB #2, P 4,5, Sept. 26, 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): 104
Stratigraphic position below top of formation (ft): 1000
all above data from Table 6, p. 32
Occurrence(s)
No. Group Name Qty Notes
1 Ammonoids Chondroceras allani (McLearn)
2 Ammonoids Normannites (Itinsaites) cf. (I.) variabilis Imlay