Reference Detail of

Report on Referred Fossils
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Stratigraphic range: Quaternary
Kinds of fossils: Mollusks; Rats
Quadrangle or area: Barrow (A-1) Quadrangle, North Slope
Shipment No.: A-78-22M
Referred by: Hopkins, David M.
Report prepared by: Marincovich, Louie , Jr. , Repenning, Charles A.
Date: 11/09/1978

This report deals with two collections from the western Arctic Coastal Plain of Alaska; one collection from the Gubik Formation and one from the Flaxman Formation.

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77-AHp-16A (Cenozoic loc. M7337) , Barrow , Fossils from 5-m-high bluff of shelly Gubik Formation sand adjoining outcrop of Flaxman Formation; this exposure is about 2 km east of Cape Simpson DEW Line site and consists of a beach sand deposit that lies seaward of the main Pelukian (Sangamon) shoreline; this Gubik deposit may mark the shoreling that existed when the glaciomarine Flaxman Formation was being deposited. Latitude 71 deg. 00 min. 37.5 sec. N; Longitude 154 deg. 35 min. 24 sec. W., Barrow (A-1) Quadrang;e, Gubik Formation.
Polinices (Euspira) pallidus (Broderip & Sowerby)
Natica (Cryptonatica) clausa Broderip & Sowerby
Amauropsis islandica (Gmelin)
Portlandia (Yoldiella) intermedia (Sars)
Portlandia (Yoldiella) aff. P.(Y.) intermedia (Sars)
Cyrtodaria kurriana (Dunker)
Astarte (Tridonta) montagui (Dillwyn)
Astarte (Tridonta) borealis (Schumacher)
Astarte sp.
Dicrostonyx torquatus (Pallas)
77-AHp-211A (Cenozoic loc. M7338) , Barrow , Bedded silts and fine sand containing mollusks and glacial dropstones, in 5-m-high coastal bluff about 1 km east of Cape Simpson DEW Line site. This collection contains the only known mollusks from the glaciomarine Flaxman Formation. Latitude 71 deg. 01 min. 34.5 sec. N; Longitude 154 deg. 37 min 24 sec. W., Barrow (A-1) Quadrangle.
Naticid fragments
Gastropod fragment
Astarte (Tridonta) borealis (Schumacher)
Astarte (Tridonta) montagui (Dillwyn)
Portlandia (Yoldiella) aff. P.(Y.) intermedia (Sars)
Cyrtodaria kurriana (Dunker)
Liocyma fluctuosa (Gould)
Serripes groenlandicus (Bruguiere)