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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.
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
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