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The thallium isotope composition of carbonaceous chondrites - New evidence for live Pb-205 in the early solar system

Abstract:

The extinct radionuclide 205Pb, which decays to 205Tl with a half-life of 15 Ma, is of considerable cosmochemical interest, as it is the only short-lived isotope that is produced exclusively by s-process nucleosynthesis. Evidence for the existence of 205Pb in the early solar system has only recently been obtained from analyses of IAB iron meteorites, but significant uncertainties remain about the initial 205Pb abundance and Tl isotope composition of the solar system. In an attempt to better c...

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Publication status:
Published

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Publisher copy:
10.1016/j.epsl.2009.12.044

Authors


Baker, RGA More by this author
Schonbachler, M More by this author
Rehkamper, M More by this author
Williams, HM More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Earth Sciences
Journal:
EARTH AND PLANETARY SCIENCE LETTERS
Volume:
291
Issue:
1-4
Pages:
39-47
Publication date:
2010-03-01
DOI:
ISSN:
0012-821X
URN:
uuid:242a1915-465b-4ddc-9820-402c238ffa7b
Source identifiers:
83012
Local pid:
pubs:83012

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