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Site-specific infrared O-H absorption coefficients for water substitution into olivine

Kovacs, Istvan; O'Neill, Hugh; Hermann, Joerg; Hauri, E.H.


There are four ways by which OH- commonly substitutes into olivine, namely those associated with (1) Si vacancies, (2) Mg vacancies, (3) Ti, or (4) trivalent cations. The four mechanisms, which we label [Si], [Mg], [Ti], and [triv], respectively, may each be fingerprinted by their characteristic O-H stretching modes in the infrared spectrum. We show by comparing the integrated intensities of these characteristic infrared peaks against total water content analyzed by secondary ion mass...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: American Mineralogist
DOI: 10.2138/am.2010.3313


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