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Mixing and crystal scavenging in the Main Ethiopian Rift revealed by trace element systematics in feldspars and glasses

Abstract:

For many magmatic systems, crystal compositions preserve a complex and protracted history which may be largely decoupled from their carrier melts. The crystal cargo may hold clues to the physical distribution of melt and crystals in a magma reservoir and how magmas are assembled prior to eruptions. Here we present a geochemical study of a suite of samples from three peralkaline volcanoes in the Main Ethiopian Rift. Whilst whole-rock data shows strong fractional crystallisation signatures, the...

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

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Publisher copy:
10.1029/2018gc007836

Authors


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ORCID:
0000-0001-7527-9227
Jackson, C More by this author
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ORCID:
0000-0002-5456-3277
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Earth Sciences
Oxford college:
Jesus College
ORCID:
0000-0001-7218-4513
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Earth Sciences
Oxford college:
St Annes College
ORCID:
0000-0002-2663-9940
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Publisher:
Wiley Publisher's website
Journal:
Geochemistry, Geophysics, Geosystems Journal website
Volume:
20
Issue:
1
Pages:
230-259
Publication date:
2018-11-28
Acceptance date:
2018-11-22
DOI:
EISSN:
1525-2027
Pubs id:
pubs:949673
URN:
uri:b995b6fb-2d5f-4546-8ffd-05c286da49b9
UUID:
uuid:b995b6fb-2d5f-4546-8ffd-05c286da49b9
Local pid:
pubs:949673

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