A Comparative Study of Progressive Serpentinisation
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The process of serpentinisation results in significant rheological, mineralogical and geochemical changes in ultramafic rocks. Characterisation of these changes is crucial to understanding serpentinisation and determination of fluid and element transfer within the crust. Investigations of serpentinisation in the Mid-Atlantic Ridge (MAR) and New Caledonian ophiolite provide insights into the transfer of major, trace and rare Earth elements (REE), and, in conjunction with stable isotope analyses, are used to constrain conditions during serpentinisation.
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Abyssal and hydrated mantle wedge serpentinised peridotites: a comparison of the 15 � 20 ' N fracture zone and New Caledonia serpentinitesMothersole, F.; Evans, Katy; Frost, B. (2017)© 2017, Springer-Verlag GmbH Germany. Subduction of serpentinised mantle transfers oxidised and hydrated mantle lithosphere into the Earth, with consequences for the oxidation state of sub-arc mantle and the genesis of ...
Evans, Katy; Reddy, Steven; Tomkins, A.; Crossley, Rosalind; Frost, B. (2017)Magnetite breakdown during subduction of serpentinised ultramafic rocks may produce oxidised fluids that oxidise the deep Earth and/or the sub-arc mantle, either via direct transport of ferric iron, or via redox reactions ...
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