Ta'u and Ofu/Olosega volcanoes: The “Twin Sisters” of Samoa, their P, T, X melting regime, and global implications
Abstract The Samoan islands of Ta'u and Ofu/Olosega (Ofol hereafter) are single shield volcanoes that have erupted alkali basalt for the past 70 and 440 kyr, respectively. They are 20 km apart, and are the easternmost subaerial expressions of the Samoan plume. The isotopic data for these island...
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Main Authors: | Stanley R. Hart, Matthew G. Jackson |
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Format: | Article |
Language: | English |
Published: |
Wiley
2014-06-01
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Series: | Geochemistry, Geophysics, Geosystems |
Subjects: | |
Online Access: | https://doi.org/10.1002/2013GC005221 |
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