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Correlated Os-Pb-Nd-Sr isotopes in the Austral-Cook chain basalts: the nature of mantle components in plume sources

Abstract:

Osmium (Os), strontium (Sr), neodymium (Nd) and lead (Pb) isotopes have been measured on a suite of aphyric basalts from 12 islands of the Austral-Cook island archipelago, an area which exhibits a range in Pb isotope compositions that encompasses almost the entire range displayed by ocean island basalts (OIB). Although the samples have Os concentrations (1.69-34.80 ppt) at the lower end of the range measured for OIB, they display a range of initial 187Os/ ...

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Publication status:
Published

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Authors


Schiano, P More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
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Journal:
EARTH AND PLANETARY SCIENCE LETTERS
Volume:
186
Issue:
3-4
Pages:
527-537
Publication date:
2001-04-15
DOI:
ISSN:
0012-821X
URN:
uuid:dcd5a746-84ec-41ab-b3bc-e2d8196324ee
Source identifiers:
152039
Local pid:
pubs:152039

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