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Extreme isotopic variations in Heard Island lavas and the nature of mantle reservoirs

Abstract:

OCEANIC basalts are produced by melting of the Earth's mantle and are widely used to probe its composition. The observation of systematic, coupled variations in the neodymium, strontium and lead isotopic compositions of these basalts1 has been widely interpreted as reflecting the mixing of identifiable mantle components. White2 and Zindler and Hart3 have suggested that the isotopic compositions of mid-ocean-ridge and ocean island basalts (MORB and OIB) can be considered as mixtures of a deple...

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Publisher copy:
10.1038/348059a0

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Goldstein, SL More by this author
Journal:
Nature
Volume:
348
Issue:
6296
Pages:
59-62
Publication date:
1990-11-01
DOI:
ISSN:
0028-0836
URN:
uuid:4f75076e-413b-44b5-aae0-cbe75f32ee34
Source identifiers:
384005
Local pid:
pubs:384005
Language:
English

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