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Strontium isotopes in basalts from the Pacific Ocean basin

Earth and Planetary Science Letters

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Abstract

Basalts being erupted in the Pacific Ocean Basin vary in Sr isotopic composition in a simple geographic pattern. 87Sr/86Sr increases away from the East Pacific Rise to very high values for islands in the south-central Pacific. The 87Sr/86Sr variations are almost certainly related to past segregation of Rb, K, and other large cations. The segregation process was probably incipient partial melting which resulted in various mantle zones being enriched or depleted. ?? 1978.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Strontium isotopes in basalts from the Pacific Ocean basin
Series title:
Earth and Planetary Science Letters
Volume
38
Issue:
1
Year Published:
1978
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Earth and Planetary Science Letters
First page:
88
Last page:
94