Thorium-230 ages of corals and duration of the last interglacial sea-level high stand on Oahu, 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.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Thorium-230 ages of corals and duration of the last interglacial sea-level high stand on Oahu, Hawaii |
| Series title | Science |
| DOI | 10.1126/science.266.5182.93 |
| Volume | 266 |
| Issue | 5182 |
| Year Published | 1994 |
| Language | English |
| Publisher | American Association for the Advancement of Science |
| Description | 4 p. |
| First page | 93 |
| Last page | 96 |
| Country | United States |
| State | Hawaii |
| Other Geospatial | Oahu |