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Unraveling the mineralogical complexity of sediment iron speciation using sequential extractions

Abstract:

Iron speciation is one of the most widely applied proxies used to reconstruct oxygen levels and redox conditions in past aqueous environments. The iron speciation proxy estimates proportions of different reactive iron species in fine‐grained sedimentary rocks, which are mapped to redox conditions based on empirical calibrations from modern sediments. It is based on a standardized extraction technique of sequentially applying acetate, hydroxlamine‐HCl, dithionite, and oxalate solutions to a po...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1029/2019GC008666

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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Oxford college:
St Peter's College
Role:
Author
ORCID:
0000-0003-4415-4231
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Publisher:
American Geophysical Union Publisher's website
Journal:
Geochemistry, Geophysics, Geosystems Journal website
Volume:
21
Issue:
2
Article number:
e2019GC008666
Publication date:
2020-01-29
Acceptance date:
2019-12-18
DOI:
EISSN:
1525-2027
Source identifiers:
1078544
Language:
English
Keywords:
Pubs id:
pubs:1078544
UUID:
uuid:ce275043-a14a-4b7f-8ae4-55dfc1cf2ab3
Local pid:
pubs:1078544
Deposit date:
2019-12-20

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