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The ninetyeast ridge and its relation to the Kerguelen, Amsterdam and St. Paul hotspots in the Indian Ocean

Abstract:

The Ninetyeast Ridge is an ~5500 km long, north-south-oriented, submarine volcanic ridge in the eastern Indian Ocean that formed from magmatism associated with the deep-seated Kerguelen mantle plume as the Indian plate drifted rapidly northward during the Late Cretaceous. Basalts recovered along the ridge have the characteristic Dupal geochemical signature of Indian Ocean basalts, but debate concerning the nature and number of components in their mantle source persists. New multiple collector...

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Publisher copy:
10.1093/petrology/egt009

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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Role:
Author
Journal:
Journal of Petrology
Volume:
54
Issue:
6
Pages:
1177-1210
Publication date:
2013-01-01
DOI:
EISSN:
1460-2415
ISSN:
0022-3530
URN:
uuid:3d905d46-d328-4af2-8616-7a48ba0bae25
Source identifiers:
407375
Local pid:
pubs:407375

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