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Carbon fluxes and primary magma CO2 contents along the global mid-ocean ridge system

Abstract:

The concentration of carbon in primary mid-ocean ridge basalts (MORBs), and the associated fluxes of CO2 outgassed at ocean ridges, is examined through new data obtained by secondary ion mass spectrometry (SIMS) on 753 globally-distributed MORB glasses. MORB glasses are typically 80-90% degassed of CO2, thus we use the limited range in CO2/Ba (81.3±23) and CO2/Rb (991±129), derived from undegassed MORB and MORB melt inclusions, to estimate primary CO2 concentrations for ridges that have Ba an...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's Version

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Publisher copy:
10.1029/2018GC007630

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Publisher:
American Geophysical Union Publisher's website
Journal:
Geochemistry, Geophysics, Geosystems Journal website
Volume:
20
Issue:
3
Pages:
1387-1424
Publication date:
2018-11-23
Acceptance date:
2018-09-26
DOI:
EISSN:
1525-2027
Pubs id:
pubs:929128
URN:
uri:e6f2f360-89ad-4059-9209-6bbd1ffb5368
UUID:
uuid:e6f2f360-89ad-4059-9209-6bbd1ffb5368
Local pid:
pubs:929128

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