Sample Detail of
Sample: Sample No. 48AI7 -- USGS No. Mesozoic loc. 21296
Locality: Field No. 48AI7
Description: [Shown as locality 19 on Pl. 3 of Detterman and Hartsock, 1966][Entry in USGS Mesozoic Fossil Locality register (Washington, D.C.) provides following description: "Orig. no. 48 AI7. Middle Jurassic - Tuxedni Fm. - Lowest member. Same geographical location as 21292, Same stratigraphic horizon as 21292. Same Section as described under 21294. Gray siltstone 350 to 360 feet stratigraphically below the top of the member. 1.62 miles N. 59o W of dock at mouth of Fitz Creek. July 10, 1948."]
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: South shore of Chinitna Bay
Map reference (pl. 3): 19
Stratigraphic position below top of formation (ft): 350-360
all above data from Table 4, p. 24
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Grammatodon sp. fauna identified by R.W. Imlay
2 Bivalves Inoceramus sp.
3 Bivalves Trigonia sp.
4 Bivalves Pleuromya sp.
5 Bivalves Pholadomya sp.
6 Bivalves Goniomya sp.
7 Bivalves Astarte sp.
8 Bivalves Isognomon sp.
9 Ammonoids Witchellia sp.
10 Ammonoids Normannites cf. N. kialagvikensis Imlay
11 Ammonoids Stemmatoceras snugharborense Imlay
12 Ammonoids Parabigotites sp.