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Mechanisms of Crustal Anatexis: a Geochemical Study of Partially Melted Metapelitic Enclaves and Host Dacite, SE Spain

Acosta-Vigil, Antonio; Buick, Ian; Hermann, Joerg; Cesare, Bernardo; Rubatto, Daniela; London, David; Morgan, George


To shed light on the mechanisms of crustal anatexis, a detailed geochemical study has been conducted on minerals and glasses of quenched anatectic metapelitic enclaves and their host peraluminous dacites at El Hoyazo, SE Spain. Anatectic enclaves, composed of plagioclase + biotite + sillimanite + garnet + glass ± K-feldspar ± cordierite + graphite, formed during the rapid heating and overstepped melting of a greenschist-facies metapelite, and finally equilibrated at 850±508C and 5-7 kbar. Glass...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
Source: Journal of Petrology
DOI: 10.1093/petrology/egp095


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