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Unradiogenic lead in Earth’s upper mantle

Burton, Kevin; Cenki-Tok, Bénédicte; Mokadem, Fatima; Harvey, Jason; Gannoun, Abdelmouhcine; Alard, Olivier and Parkinson, Ian J. (2012). Unradiogenic lead in Earth’s upper mantle. Nature Geoscience, 5(8) pp. 570–573.

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The mantle and continental crust contain excessive amounts of radiogenic lead, implying that a complementary reservoir of unradiogenic lead should exist somewhere on Earth. Isotopic analyses of mantle rocks exposed on the Atlantic Ocean floor reveal that sulphide inclusions can have extremely unradiogenic lead compositions, suggesting that the reservoir could exist within the mantle itself.

Item Type: Journal Item
Copyright Holders: 2012 Macmillan Publishers Limited
ISSN: 1752-0908
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetNot SetOcean Drilling Program UK, NERC (grant ref. NER/A/S/2001/00538)
Not SetNot SetEC Marie Curie Research and Training Network EUROMELT (HPRN-CT-2002-00211)
Keywords: structural geology, tectonics and geodynamics; geochemistry; volcanology, mineralogy and petrology
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Environment, Earth and Ecosystem Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Interdisciplinary Research Centre: Centre for Earth, Planetary, Space and Astronomical Research (CEPSAR)
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Item ID: 33957
Depositing User: Ian Parkinson
Date Deposited: 10 Jul 2012 15:00
Last Modified: 04 Oct 2016 11:18
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