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Elemental budget and rheology of the oceanic lithosphere

Workman, R. K. and Boettcher, M. and Asimow, Paul D. (2006) Elemental budget and rheology of the oceanic lithosphere. Geochimica et Cosmochimica Acta, 70 (18). A708-A708. ISSN 0016-7037. doi:10.1016/j.gca.2006.06.1535.

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The compositions of the uppermost parts of subducting oceanic plates (sediments and altered crust) are relatively well known. However, the largest part of the downgoing slab, the lithospheric mantle (up to ∼10 times the thickness of the oceanic crust), is not well defined. By virtue of its size and refractory nature, this may be the subducted material with the longest lifespan within the convecting mantle; also, ancient recycled lithosphere may be a source reservoir to modern ocean island volcanism. We present results constraining the chemical compositions of the entirety of subducting tectonic plates, and discuss consequences of variations in lithospheric composition (especially water) for the rheology of subducted plates.

Item Type:Article
Related URLs:
Asimow, Paul D.0000-0001-6025-8925
Additional Information:© 2006 Published by Elsevier Ltd.
Issue or Number:18
Record Number:CaltechAUTHORS:20120906-105418649
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Official Citation:R.K. Workman, M. Boettcher, P.D. Asimow, Elemental budget and rheology of the oceanic lithosphere, Geochimica et Cosmochimica Acta, Volume 70, Issue 18, Supplement, August–September 2006, Page A708, ISSN 0016-7037, 10.1016/j.gca.2006.06.1535.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:33905
Deposited By: Tony Diaz
Deposited On:07 Sep 2012 16:53
Last Modified:09 Nov 2021 23:05

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