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H_2O and Cl in basalts from Lau back-arc basin

Michael, P. J. and Bézos, A. and Langmuir, C. H. and Escrig, S. and Matzen, A. and Asimow, Paul D. (2008) H_2O and Cl in basalts from Lau back-arc basin. Geochimica et Cosmochimica Acta, 72 (12). A624-A624. ISSN 0016-7037.

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The subduction influence (fluid mobile elements) in basalts along the back arc Eastern Lau Spreading Center (ELSC) increases in several sharp gradients as the distance to the Tofua volcanic arc diminishes from 100 km in the north (19°S) to 40 km in the south (23°S). The six tectonic segments of ELSC display mixing relationships in trace element and isotopic ratios in which one end member is a subduction component that is distinctive for each segment. Basalts from the three well-sampled northern segments (ELSC-1, -2, and -3, from 19.2-20.7°S) are best for the study of volatiles because most did not lose H_2O by degassing, and because they display a wide range of H_2O/ element values on a local scale: from MORB-like to much higher values.

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Asimow, Paul D.0000-0001-6025-8925
Additional Information:© 2008 Pergamon-Elsevier Science Ltd.
Issue or Number:12
Record Number:CaltechAUTHORS:20120906-133428491
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:33913
Deposited By: Tony Diaz
Deposited On:07 Sep 2012 16:52
Last Modified:03 Oct 2019 04:14

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