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Composition of fluids during serpentinite breakdown in subduction zones: Evidence for limited boron mobility

Tenthorey, Eric; Hermann, Joerg


We experimentally investigated the trace element compositions of fluids released during breakdown of subducted serpentinites. Serpentinites contain significant amounts of fluid-mobile elements such as B, Cs, As, and Ba, which during seafloor alteration are incorporated into mantle rocks. During the later high-pressure breakdown of the serpentinites, these trace elements are redistributed among the residual olivine, orthopyroxene, minor chlorite, and fluid. We find that B is far more compatible...[Show more]

CollectionsANU Research Publications
Date published: 2004
Type: Journal article
Source: Geology
DOI: 10.1130/G20610.1


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