Sample Detail of
Sample: Sample No. 48AMr147 -- USGS No. Mesozoic loc. 21304
Locality: Field No. 48AMr147
Description: [Shown as locality 79 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48AMr147. Middle Jurassic - Tuxedni Fm, middle siltstone. Same geographic location as no. 21292, same stratigraphic horizon as no. 21302. Fitz Creek near head, 2.45 miles S 9o E of Tonnie Peak. Gray sandy siltstone about 800 feet below the base of the Cynthia Falls member. Sept. 14, 1948."]
Location: Alaska Quadrangle: Iliamna C-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: Fitz Creek area
Map reference (pl. 3): 79
Stratigraphic position below top of formation (ft): 400-450
all above data from Table 6, p. 32
Occurrence(s)
No. Group Name Qty Notes
1 Ammonoids Teloceras itinsae (McLearn)
2 Ammonoids Zemistephanus richardsoni (Whiteaves)