A refined age for the earliest opening of Bering Strait

Biostratigraphically and chronostratigraphically important diatoms from the Milky River Formation, Alaska Peninsula, southwestern Alaska, imply an age range of 5.4^5.5 Ma for the oldest North Pacific Cenozoic occurrence of the marine bivalve mollusk Astarte, which migrated from the Arctic Ocean into...

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Bibliographic Details
Published in:Palaeogeography, Palaeoclimatology, Palaeoecology
Main Authors: Oleinik, Anton E., Gladenkov, Andrey Yu, Marincovich, Louie, Jr., Barinov, Konstantin B.
Format: Text
Language:unknown
Published: Elsevier
Subjects:
Paleoecology > Bering Sea Region
Diatoms
Fossil > North Pacific Region
Geology
Stratigraphic > Miocene
Paleoceanography > North Pacific Region
Mollusks
Fossil > Arctic Ocean
Arctic
Arctic Ocean
Bering Sea
Bering Strait
Pacific
Alaska
Online Access:https://doi.org/10.1016/S0031-0182(02)00249-3
http://digitool.fcla.edu:80/R/?func=dbin-jump-full&object_id=165902
Description
Summary:Biostratigraphically and chronostratigraphically important diatoms from the Milky River Formation, Alaska Peninsula, southwestern Alaska, imply an age range of 5.4^5.5 Ma for the oldest North Pacific Cenozoic occurrence of the marine bivalve mollusk Astarte, which migrated from the Arctic Ocean into the North Pacific when Bering Strait first flooded. The data presented here are a refinement of the age range of 4.8^5.5 Ma reported earlier and imply that Bering Strait first opened very near the end of the Miocene at 5.32 Ma. This manuscript is a version of a published article in Palaeoclimatology, Palaeoecology 183(2002) p. 321-328 www.elsevier.com/locate/palaeo

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