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.
Suggested Citation
Powell, C.L., 1994, Molluscan evidence for a late Pleistocene sea-level lowstand from Monterey Bay, central California: Veliger, v. 37, no. 1, p. 69-80.
Study Area
| 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 |