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Water and carbon in the Earth's mantle

Abstract:
The concentrations of H2O and C in mid-ocean ridge basalts indicate that the upper, degassed, part of the mantle contains approximately 200 ppm H2O and 80 ppm C. Estimates for the bulk silicate earth are less precise, but, from geochemical and cosmochemical arguments, values of 550-1900 ppm for H2O and 900-3700 ppm for C are plausible. The implications is that the (undegassed) lower mantle is enriched relative to the upper mantle in these volatile components, but concentrations there are only of the order of 2000 ppm.
Publication status:
Published

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Publisher copy:
10.1098/rsta.1996.0060

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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
Volume:
354
Issue:
1711
Pages:
1495-1511
Host title:
PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY A-MATHEMATICAL PHYSICAL AND ENGINEERING SCIENCES
Publication date:
1996-06-15
DOI:
EISSN:
1471-2962
ISSN:
1364-503X
Source identifiers:
163821
Pubs id:
pubs:163821
UUID:
uuid:04d07c9f-5d89-4e0a-825d-2e6014585c03
Local pid:
pubs:163821
Deposit date:
2012-12-19

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