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Thorium-230 ages of corals and duration of the last interglacial sea-level high stand on Aohu, Hawaii

Science

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Abstract

Thorium-230 ages of emergent marine deposits on Oahu, Hawaii, have a uniform distribution of ages from ~114,000 to ~131,000 years, indicating a duration for the last interglacial sea-level high stand of ~17,000 years, in contrast to a duration of ~8000 years inferred from the orbitally tuned marine oxygen isotope record. Sea level on Oahu rose to ??? 1 to 2 meters higher than present by 131,000 years ago or ~6000 years earlier than inferred from the marine record. Although the latter record suggests a shift back to glacial conditions beginning at ~119,000 years ago, the Oahu coral ages indicate a near present sea level until ~114,000 years ago.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Thorium-230 ages of corals and duration of the last interglacial sea-level high stand on Aohu, Hawaii
Series title:
Science
Volume
266
Issue:
5182
Year Published:
1994
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Science
First page:
93
Last page:
96
Number of Pages:
4