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Fingerprinting the water site in mantle olivine

Berry, Andrew; Hermann, Joerg; O'Neill, Hugh; Foran, Garry J

Description

Nominally anhydrous minerals such as olivine contain trace amounts of water and may accommodate the entire water budget of the upper mantle. Here we report for the first time synthetic olivines, crystallized experimentally under upper mantle conditions, that reproduce the most common and intense infrared hydroxyl stretching bands (at 3572 and 3525 cm-1) observed in spinel peridotite mantle olivines. These bands arise from water accommodated at point defects associated with the trace element Ti,...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/83856
Source: Geology
DOI: 10.1130/G21759.1

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