News and Views
Nature Geoscience 1, 17 - 18 (2008)
doi:10.1038/ngeo.2007.68
Subject Category: Structural geology, tectonics and geodynamics
Geodynamics: The ups and downs of sediments
Terry Plank1,2 & Peter E. van Keken3
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The Department of Earth Sciences at Boston University, Boston, Massachusetts 02215, USA
e-mail: tplank@bu.edu - The Lamont-Doherty Earth Observatory of Columbia University, Palisades New York 10964, USA
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The Department of Geological Sciences, University of Michigan, Ann Arbor, Michigan 48109, USA.
e-mail: keken@umich.edu
Abstract
Neither recycled oceanic crust nor sediments alone can explain the composition of ocean-island basalts, but how about a mixture of the two? Recent modelling using the isotopes of hafnium and neodymium appears to support this contention.
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