Sr-Nd isotopic heterogeneity of basalts of the sierra leone test site, Mid-Atlantic ridge, 5°–7° S

A study investigated Sr-Nd isotopic heterogeneity of basalts of the Sierra Leone test site, Mid-Atlantic ridge, 5°-7° S. Data indicate that the basaltic melt was generated from an isotopically heterogeneous source. The possibility of correlated Sr-Nd isotope variations in basalts owing to the contam...

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Bibliographic Details
Published in:Doklady earth sciences 2006-10, Vol.410 (1), p.1127-1131
Main Authors: Shatagin, K N, Sharkov, E V, Chernyshev, I V, Bortnikov, N S, Krasivskaya, I S, Gol'tsman, Yu V, Bairova, E D, Chistyakov, A V
Format: Article
Language:English
Subjects:
Basalt
Geochemistry
Heterogeneity
Isotopes
Marine
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Summary:A study investigated Sr-Nd isotopic heterogeneity of basalts of the Sierra Leone test site, Mid-Atlantic ridge, 5°-7° S. Data indicate that the basaltic melt was generated from an isotopically heterogeneous source. The possibility of correlated Sr-Nd isotope variations in basalts owing to the contamination of primary homogeneous melt by deep-seated rocks seems to be less probable.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X06070282