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Mechanisms of magnesium isotope fractionation in volcanic soil weathering sequences, Guadeloupe

Abstract:

Magnesium (Mg) stable isotopes are increasingly used as a weathering proxy in soils and rivers, but the impact of the mineralogy of secondary phases on isotope fractionation remains obscure. A better understanding of the behaviour of Mg isotopes during weathering processes is a mandatory step toward deployment of this new tracer for understanding chemical fluxes exported from the critical zone. Here we investigate isotopic variations in δ26Mg in bulk soils and clay fractions relative to their...

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Publication status:
Published

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Publisher copy:
10.1016/j.epsl.2012.06.010

Authors


Opfergelt, S More by this author
Delvaux, B More by this author
Cabidoche, Y-M More by this author
Burton, KW More by this author
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Journal:
EARTH AND PLANETARY SCIENCE LETTERS
Volume:
341
Pages:
176-185
Publication date:
2012-08-05
DOI:
ISSN:
0012-821X
URN:
uuid:855a8170-6ecd-4f70-8cbb-755262931feb
Source identifiers:
344585
Local pid:
pubs:344585

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