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Insights into Collisional Magmatism from Isotopic Fingerprints of Melting Reactions

Knesel, K.M; Davidson, J.P

Authors

K.M Knesel

J.P Davidson



Abstract

Piston-cylinder experiments in the granite system demonstrate that a wide variety of isotopically distinct melts can arise from progressive melting of a single source. The relation between the isotopic composition of Sr and the stoichiometry, of the observed melting reactions suggests that isotopic signatures of anatectic magmas can be used to infer melting reactions in natural systems. Our results also indicate that distinct episodes of dehydration and fluid-fluxed melting of a single, metapelitic source region may have contributed to the bimodal geochemistry of crustally derived leucogranites of the Himalayan orogen

Citation

Knesel, K., & Davidson, J. (2002). Insights into Collisional Magmatism from Isotopic Fingerprints of Melting Reactions. Science, 296(5576), 2206-2208. https://doi.org/10.1126/science.1070622

Journal Article Type Article
Publication Date 2002-06
Deposit Date Mar 15, 2007
Journal Science
Print ISSN 0036-8075
Electronic ISSN 1095-9203
Publisher American Association for the Advancement of Science
Peer Reviewed Peer Reviewed
Volume 296
Issue 5576
Pages 2206-2208
DOI https://doi.org/10.1126/science.1070622


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