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Nonbiological fractionation of iron isotopes.

Abstract:
Laboratory experiments demonstrate that iron isotopes can be chemically fractionated in the absence of biology. Isotopic variations comparable to those seen during microbially mediated reduction of ferrihydrite are observed. Fractionation may occur in aqueous solution during equilibration between inorganic iron complexes. These findings provide insight into the mechanisms of iron isotope fractionation and suggest that nonbiological processes may contribute to iron isotope variations observed in sediments.

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Institution:
University of Oxford
Division:
MPLS
Department:
Earth Sciences
Role:
Author
Journal:
Science (New York, N.Y.) More from this journal
Volume:
288
Issue:
5463
Pages:
126-128
Publication date:
2000-04-01
DOI:
EISSN:
1095-9203
ISSN:
0036-8075
Language:
English
Keywords:
Pubs id:
pubs:374463
UUID:
uuid:f7eb1249-8935-49a2-9537-38ff83400737
Local pid:
pubs:374463
Source identifiers:
374463
Deposit date:
2013-11-16

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