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Silicon isotope fractionation during magmatic differentiation

Abstract:

The Si isotopic composition of Earth's mantle is thought to be homogeneous (δ30Si=-0.29±0.08‰, 2s.d.) and not greatly affected by partial melting and recycling. Previous analyses of evolved igneous material indicate that such rocks are isotopically heavy relative to the mantle. To understand this variation, it is necessary to investigate the degree of Si isotopic fractionation that takes place during magmatic differentiation. Here we report Si isotopic compositions of lavas from Hekla volcano...

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Publication status:
Published

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Publisher copy:
10.1016/j.gca.2011.07.043

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
Journal:
GEOCHIMICA ET COSMOCHIMICA ACTA More from this journal
Volume:
75
Issue:
20
Pages:
6124-6139
Publication date:
2011-10-15
DOI:
ISSN:
0016-7037
Language:
English
Pubs id:
pubs:179948
UUID:
uuid:d2221d69-3587-4ef6-92ae-9e7a0a2ab936
Local pid:
pubs:179948
Source identifiers:
179948
Deposit date:
2012-12-19

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