Sample Detail of
Sample: Sample No. 78ACrII115 -- USGS No. Cenozoic loc. M7359
Locality: Field No. 78ACrII115
Description: River bluff 108 feet high on Colville River, consisting of 78 feet of bedrock overlain by 30 feet of unconsolidated sand and gravelly sand of the Gubik Formation. Shells collected from the lower 5 feet of the unconsolidated deposits.
Location: Alaska Quadrangle: Umiat D-3
Township&Range: T7N R2E Section: Sec. 9
Lat.: 69o43.85 ' Long.: 151o38.58 '
Reference
Title: Report on Referred Fossils ,  1979 (05/24)
[Conitued from part A-79-6M-A]
Report by: Louie Marincovich , Jr.
Referred by: L. David Carter
Age: Pleistocene
Formation: Gubik Formation
Comment:All of the taxa currently live along the nearby modern coastline, with the exception of Neptunea lyrata, which does not occur north of Bristol Bay; unfortunately, the Neptunea fragments are too worn to identify to subspecies and thus use for an age estimate.
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Liocyma fluctuosa (Philippi)
2 Bivalves Macoma balthica (Linnaeus)
3 Bivalves Siliqua sp. - fragment
4 Bivalves Hiatella arctica (Linnaeus)
5 Bivalves Serripes groenlandicus (Bruguiere)
6 Bivalves Astarte sp. - juveniles
7 Bivalves Mytilus edulis Linnaeus
8 Snails Natica (Cryptonatica) clausa Broderip & Sowerby
9 Snails ?Polinices new species
10 Snails Amauropsis islandica (Gmelin)
11 Snails Obesotoma sp.
12 Snails Oenopota sp.
13 Snails ?Colus spitzbergensis (Reeve) - fragment
14 Snails Margarites sp. - fragment
15 Snails Neptunea (Neptunea) lyrata (Gmelin) subspecies - worn fragments
16 Barnacles small fragments
17 Vertebrates Bone, small worn fragment