Sample Detail of
Sample: Sample No. 82ADt44 -- USGS No. Cenozoic loc. M8055
Locality: Field No. 82ADt44
Description: Samples collected from Bear Lake Formation on Ukolnoi Island, exact position unknown in massive pebble-conglomerate and coarse tuffaceous sandstone. Latitude 55o 12' 31" N., Longitude 161o 36' 05" W. Port Moller A-3 quadrangle.
Location: Alaska Quadrangle: Port Moller A-3
Lat.: 55o12'31 " Long.: 161o36'05 "
Reference
Title: Report on Referred Fossils ,  1985 (02/11)
This report deals with 61 collections of mollusks and other invertebrates from Tertiary formation of the Alaska Peninsula, including 9 collections from the Bear Lake Formation, 44 from the Stepovak Formation, and 8 collections from the Tolstoi Formation. These collections were made in 1982 and 1983 by members of Ric Wilson's field parties.
Report by: Louie Marincovich , Jr.
Referred by: Frederic H. Wilson
Age: Early Miocene-Middle Miocene
Formation: Bear Lake Formation
Comment:Early or middle Miocene. Thus, this is one of the oldest Bear Lake Formation deposits, one of the few that are demonstrably pre-late Miocene. The water was cool temperate and no deeper than 50 m.
Occurrence(s)
No. Group Name Qty Notes
1 Bivalves Macrocallista sp. ?
2 Bivalves Lucinoma acutilineata
3 Bivalves Thracia sp.
4 Bivalves Panomya sp. ?
5 Bivalves Clinocardium sp. indet.
6 Bivalves Mya (Mya) aff. M.(M.) elegans
7 Snails Turritella (Hataiella) shataii
8 Snails Natica (Cryptonatica) clausa
9 Snails Naticid genus indet.
10 Scaphopods Dentalium sp.