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K, Rb, Sr and 87Sr 86Sr in rocks from the Mid-Indian Oceanic Ridge

Earth and Planetary Science Letters

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Abstract

The 87Sr 86Sr ratios of Mid-Indian Oceanic Ridge (MIOR) basalts are nearly identical (0.7032 to 0.7035), with the exception of one more highly radiogenic sample (0.7043). These values are consistently higher than the strontium isotopic ratios of the ridge basalts from Atlantic and Pacific Oceans, suggesting that the source of the MIOR basalts was depleted in alkalies more recently and/or to a lesser degree than the basalts from other oceans. ?? 1973.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
K, Rb, Sr and 87Sr 86Sr in rocks from the Mid-Indian Oceanic Ridge
Series title:
Earth and Planetary Science Letters
Volume
18
Issue:
2
Year Published:
1973
Language:
English
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Earth and Planetary Science Letters
First page:
223
Last page:
228
Number of Pages:
6