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Effects of melting, subduction-related metasomatism, and sub-solidus equilibration on the distribution of water contents in the mantle beneath the Rio Grande Rift

Schaffer, Lillian A.; Peslier, Anne H.; Brandon, Alan D; Bizimis, Michael; Gibler, Robert; Norman, Marc; Harvey, Jason


The distribution of water in the upper mantle plays a crucial role in the Earth’s deep water cycle, magmatism, and plate tectonics. To better constrain how these large-scale geochemical systems operate, peridotite and pyroxenite mantle xenoliths from Kilbourne Hole (KH) and Rio Puerco (RP) along the Rio Grande Rift (NM, USA) were analyzed for water, and major and trace element contents. These xenoliths sample a lithosphere whose composition was influenced by subduction and rifting, and can...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Geochimica et Cosmochimica Acta
DOI: 10.1016/j.gca.2018.10.005


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