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Molluscan evidence for a late Pleistocene sea-level lowstand from Monterey Bay, central California

Veliger
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Abstract

One hundred and twenty-three molluscan taxa are reported from four samples collected from a sea level lowstand deposit located between 100 m and 300 m below sea level in Monterey Bay, central California. Ecological interpretations of these mollusks suggest temperatures essentially equivalent to those from Puget Sound, Washington, to southern British Columbia; much cooler water than exists in Monterey Bay today; and water depths of about 10 to 50 m. Chlamys rubida from these deposits yield a 14C age determination of about 17,000 yr B. P. This age is generally equivalent to a worldwide sea level lowstand between 20,000 and 15,000 yr B. P. of at least 100 m below modern sea level. The cooler and shallow-water aspect of the lowstand molluscan fauna is in full accord with the late Pleistocene paleogeography of Monterey Bay.

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Additional publication details

Publication type Article
Publication Subtype Journal Article
Title Molluscan evidence for a late Pleistocene sea-level lowstand from Monterey Bay, central California
Series title Veliger
Volume 37
Issue 1
Year Published 1994
Language English
Publisher California Malacozoological Society
Publisher location Berkeley, CA
Description 12 p.
Larger Work Type Article
Larger Work Subtype Journal Article
Larger Work Title Veliger
First page 69
Last page 80
Country United States
State California
Other Geospatial Monterey Bay
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