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Hydrogen isotope geochemistry of nominally anhydrous minerals

O'Leary, Julie A. and Eiler, John M. and Rossman, George R. (2005) Hydrogen isotope geochemistry of nominally anhydrous minerals. Geochimica et Cosmochimica Acta, 69 (10). A745-A745. ISSN 0016-7037. doi:10.1016/j.gca.2005.03.036.

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Mantle derived materials span a range of ~100 ‰ in hydrogen isotopic composition. Nominally anhydrous minerals from mantle xenoliths are the most deuterium depleted of all mantle materials, with δD values 50 ‰ lower than average mid ocean ridge basalt. These variations suggest large hydrogen fractionations within the mantle but available data are limited to large, high quality samples needed for conventional measurement techniques. We have recently developed a continous-flow technique for measuring hydrogen isotopic composition in small (5-50 mg) samples of mantle pyroxenes, making it possible to analyze many more mantle samples.

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Rossman, George R.0000-0002-4571-6884
Additional Information:© 2005 Elsevier Ltd.
Issue or Number:10
Record Number:CaltechAUTHORS:20130716-075557561
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Official Citation:Goldschmidt Conference Abstracts 2005, Geochimica et Cosmochimica Acta, Volume 69, Issue 10, Supplement, 15 May 2005, Pages 701-750, ISSN 0016-7037,
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:39377
Deposited By: Tony Diaz
Deposited On:16 Jul 2013 15:28
Last Modified:09 Nov 2021 23:44

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