Sr, Nd, Hf and Pb isotope geochemistry of Early Miocene shoshonitic lavas from the South Fiji Basin: Note
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Abstract
We present new Sr, Nd, Hf and Pb isotope data for Early Miocene shoshonitic and high-K lavas dredged from seamounts in the South Fiji Basin, southwest Pacific Ocean. Our analyses provide a useful reference dataset for this distinctive compositional suite. The shoshonitic lavas formed in an intra-oceanic back-arc basin setting and are broadly coeval with nearby arc and back-arc basin lavas. Further work in the region will be needed before the tectonic implications of the shoshonitic and high-K lavas are fully understood.
Publication type | Article |
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Publication Subtype | Journal Article |
Title | Sr, Nd, Hf and Pb isotope geochemistry of Early Miocene shoshonitic lavas from the South Fiji Basin: Note |
Series title | New Zealand Journal of Geology and Geophysics |
DOI | 10.1080/00288306.2021.1876110 |
Volume | 65 |
Issue | 2 |
Year Published | 2022 |
Language | English |
Publisher | Taylor & Francis |
Contributing office(s) | Alaska Science Center Geology Minerals |
Description | 6 p. |
First page | 374 |
Last page | 379 |
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