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Thallium isotopes in early diagenetic pyrite - A paleoredox proxy?

Abstract:

This paper presents the first study of Tl isotopes in early diagenetic pyrite. Measurements from two sections deposited during the Toarcian Ocean Anoxic Event (T-OAE, ∼183. Ma) are compared with data from Late Neogene (<10. Ma) pyrite samples from ODP legs 165 and 167 that were deposited in relatively oxic marine environments. The Tl isotope compositions of Late Neogene pyrites are all significantly heavier than seawater, which most likely indicates that Tl in diagenetic pyrite is partiall...

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Publication status:
Published

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Publisher copy:
10.1016/j.gca.2011.07.047

Authors


Nielsen, SG More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
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Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
LaRowe, DE More by this author
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Journal:
GEOCHIMICA ET COSMOCHIMICA ACTA
Volume:
75
Issue:
21
Pages:
6690-6704
Publication date:
2011-11-01
DOI:
ISSN:
0016-7037
URN:
uuid:65c27f9a-5bd4-4613-92e7-0b628e6c0146
Source identifiers:
205599
Local pid:
pubs:205599
Language:
English

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