Isotopic Nd compositions and concentrations of the lithogenic inputs into the ocean: A compilation, with an emphasis on the margins

An extensive compilation of published Nd isotopic values has been made in order to establish a database and a map of the isotopic composition of Nd of the world coasts. Both the database and the map are set out here, together with the way we interpolated the data to make the map. The margin Nd isoto...

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Published inChemical geology Vol. 239; no. 1; pp. 156 - 164
Main Authors Jeandel, C., Arsouze, T., Lacan, F., Téchiné, P., Dutay, J.-C.
Format Journal Article
LanguageEnglish
Published Elsevier B.V 15.04.2007
Elsevier
Subjects
Lithogenic inputs
Nd isotopic composition
Ocean, Atmosphere
Oceanic margins
Sciences of the Universe
I, Pacific
A, Atlantic
Database
Lithogenic inputs
Oceanic margins
Nd isotopic composition
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ISSN0009-2541
1872-6836
DOI10.1016/j.chemgeo.2006.11.013

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Summary:An extensive compilation of published Nd isotopic values has been made in order to establish a database and a map of the isotopic composition of Nd of the world coasts. Both the database and the map are set out here, together with the way we interpolated the data to make the map. The margin Nd isotopic signatures vary from non-radiogenic values around the Atlantic Ocean to radiogenic values around the Pacific consistent with the trajectory of the “conveyor belt” global circulation, reinforcing the hypothesis that the exchange of Nd along the margins could play a significant role in driving the oceanic distribution of this tracer.
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ISSN:0009-2541
1872-6836
DOI:10.1016/j.chemgeo.2006.11.013