Partition and speciation of Arsenic (As) in magmatic-hydrothermal fluids: implications for the formation of Au-As ore deposits

Name: Partition and speciation of Arsenic (As) in magmatic-hydrothermal fluids: implications for the formation of Au-As ore deposits
Creator: University of Muenster, Institut für Mineralogie, Corrensstrasse 24, 48149 Muenster, Germany; Westfaelische Wilhelms-Universitaet, Institute for Mineralogy, Corrensstr. 24, 48149 Muenster, Germany; CNRS - ISTO, Institut des Sciences de la Terre d Orleans, 1A rue de la Férollerie, 45071 Orleans Cedex 02, France
Published: 2028-01-01 00:00:00
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ESRF Portal2028-01-01 更新2026-04-23 收录

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https://doi.esrf.fr/10.15151/ESRF-ES-2041032293

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资源简介：

Arsenic (As) is an indicator for the formation of some of the largest hydrothermal gold (Au) deposits. However, the conditions of extraction of As from magmas and its transport by magmatic volatiles remain poorly understood. Here we will determine the partition coefficients of As between granitic melts and Cl/S-bearing aqueous fluids and its speciation to provide new insight into the formation of Au-As deposits. Fluid-melt partitioning and speciation experiments will be performed in the FAME autoclave in conjunction with synchrotron X-ray Fluorescence (SXRF) and absorption (XAS) spectroscopy at BM16B (FAME-UHD) beamline.

提供机构：

University of Muenster, Institut für Mineralogie, Corrensstrasse 24, 48149 Muenster, Germany; Westfaelische Wilhelms-Universitaet, Institute for Mineralogy, Corrensstr. 24, 48149 Muenster, Germany; CNRS - ISTO, Institut des Sciences de la Terre d Orleans, 1A rue de la Férollerie, 45071 Orleans Cedex 02, France

创建时间：

2028-01-01