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Quantifying brine assimilation by submarine magmas: Examples from the Galápagos Spreading Centre and Lau Basin

Arculus, R.; Kendrick, M.A.; Burnard, P.; Honda, M.


Volatiles are critically important in controlling the chemical and physical properties of the mantle. However, determining mantle volatile abundances via the preferred proxy of submarine volcanic glass can be hampered by seawater assimilation. This study shows how combined Cl, Br, I, K and H2O abundances can be used to unambiguously constrain the dominant mechanism by which melts assimilate seawater-derived components, and provide an improved method for determining mantle H2O and Cl abundances....[Show more]

CollectionsANU Research Publications
Date published: 2013-12-15
Type: Journal article
Source: Geochimica et Cosmochimica Acta 123 (2013): 150-165
DOI: 10.1016/j.gca.2013.09.012


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