Publication: The physical and chemical evolution of low-salinity magmatic fluids at the porphyry to epithermal transition: a thermodynamic study
The physical and chemical evolution of low-salinity magmatic fluids at the porphyry to epithermal transition: a thermodynamic study
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Heinrich, C. A. (2005). The physical and chemical evolution of low-salinity magmatic fluids at the porphyry to epithermal transition: a thermodynamic study. Mineralium Deposita, 39, 864–889. https://doi.org/10.1007/s00126-004-0461-9
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Fluid-phase relationships and thermodynamic reaction modelling based on published mineral solubility data are used to re-assess the Cu-Au-mineralising fluid processes related to calc-alkaline magmatism. Fluid inclusion microanalyses of porphyry ore samples have shown that vapour-like fluids of low to intermediate salinity and density (~2-10 wt% NaCl eq.; ~0.1-0.3gcm−3) can carry percentage-level concentrations of copper and several ppm gold at high temperature and pressure. In epithermal deposits, aqueous fluids of similar low to inte
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- Heinrich, Christoph A
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Heinrich, C. A. (2005). The physical and chemical evolution of low-salinity magmatic fluids at the porphyry to epithermal transition: a thermodynamic study. Mineralium Deposita, 39, 864–889. https://doi.org/10.1007/s00126-004-0461-9
