Chalcophile elements in subduction zones: Re-Os isotopic constraints from the Southern Kermadec Arc

Handler M. R.; Wysoczanski R. J.; Gamble J. A.; Wright I. C.; Suzuki K.

doi:10.14862/geochemproc.52.0.44.0

52th Annual Meeting of the Geochemical Society of Japan

Session ID : 1C03

DOI https://doi.org/10.14862/geochemproc.52.0.44.0

Conference information

Host: The Geochemical Society of Japan

Co-host: The Chemical Society of Japan

Special Session 4

Chalcophile elements in subduction zones: Re-Os isotopic constraints from the Southern Kermadec Arc

*M. R. Handler, R. J. Wysoczanski, J. A. Gamble, I. C. Wright, K. Suzuki

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Keywords: Subduction zone, chalcophile elements, Re-Os isotopes, volatile elements, Kermadec Arc

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Abstract

The behaviour of chalcophile elements (e.g. PGE, Re, Cu) in subduction zones is poorly understood. Although mainly controlled by sulfide species, Cl-rich fluids may also mobilize the chalcophile elements. Southern Kermadec Arc lavas are enriched in Cl-rich slab-derived fluid components. We will present Re-Os isotopic data and complementary elemental data for both typical and high-K lavas from Clark volcano, within a framework of slab-derived fluid mobility in the southern Kermadec Arc.

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