| Uranium-Series Dating of Corals and Oolites from Bahaman and Florida Key Limestones. | |
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MedLine Citation:
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PMID: 17737788 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Samples of fossil coral and oolite from marine formations of the Bahamas and the Florida Keys have been analyzed for their concentrations of uranium and thorium isotopes. Ages calculated from the ratio Th(230): U(234) clearly indicate periods of marine limestone formation at about 85,000, 130,000, and 190,000 years ago, implying that the surface of the ocean was then close to its present level. |
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Authors:
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W S Broecker; D L Thurber |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Science (New York, N.Y.) Volume: 149 ISSN: 0036-8075 ISO Abbreviation: Science Publication Date: 1965 Jul |
Date Detail:
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Created Date: 2010-06-07 Completed Date: 2010-07-02 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0404511 Medline TA: Science Country: United States |
Other Details:
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Languages: eng Pagination: 58-60 Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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