Geochemistry of a Pliocene-Pleistocene oceanic-arc plutonic complex, Guadalcanal

A. R. Chivas; A. S. Andrew; A. K. Sinha; J. R. O'Neil

doi:10.1038/300139a0

Geochemistry of a Pliocene-Pleistocene oceanic-arc plutonic complex, Guadalcanal

A. R. Chivas^*, A. S. Andrew, A. K. Sinha, J. R. O'Neil

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

38 Citations (Scopus)

Abstract

The Koloula Igneous Complex, on the island of Guadalcanal, consists of a low-K calc-alkaline sequence of 26 different intrusive phases. The major intrusions are characterized by K/Rb>400, Rb/Sr<0.06, δ ¹⁸O of 5.7 to 7.2 and uniform ⁸⁷Sr/⁸⁶Sr of 0.70372. This article presents the first data describing oxygen and strontium isotopic behaviour within a plutonic suite that formed by crystal fractionation.

Original language	English
Pages (from-to)	139-143
Number of pages	5
Journal	Nature
Volume	300
Issue number	5888
DOIs	https://doi.org/10.1038/300139a0
Publication status	Published - 1982
Externally published	Yes

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abstract = "The Koloula Igneous Complex, on the island of Guadalcanal, consists of a low-K calc-alkaline sequence of 26 different intrusive phases. The major intrusions are characterized by K/Rb>400, Rb/Sr<0.06, δ 18O of 5.7 to 7.2 and uniform 87Sr/86Sr of 0.70372. This article presents the first data describing oxygen and strontium isotopic behaviour within a plutonic suite that formed by crystal fractionation.",

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AU - O'Neil, J. R.

PY - 1982

Y1 - 1982

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AB - The Koloula Igneous Complex, on the island of Guadalcanal, consists of a low-K calc-alkaline sequence of 26 different intrusive phases. The major intrusions are characterized by K/Rb>400, Rb/Sr<0.06, δ 18O of 5.7 to 7.2 and uniform 87Sr/86Sr of 0.70372. This article presents the first data describing oxygen and strontium isotopic behaviour within a plutonic suite that formed by crystal fractionation.

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Geochemistry of a Pliocene-Pleistocene oceanic-arc plutonic complex, Guadalcanal

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