Fluid-inclusion data on the rejuvenation of gold-silver mineralization at the Dukat volcanic depositстатья

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[1] Fluid-inclusion data on the rejuvenation of gold-silver mineralization at the dukat volcanic deposit / Y. S. Berman, V. Y. Prokofyev, S. V. Kozerenko et al. // Geochemistry International. — 1993. — Vol. 30, no. 11. — P. 72–80. Thermo- and cryometric study of liquid part of the inclusions in quartz of ore bodies of Dukat gold-silver deposit has been conducted. It has been stated that chemical composition of liquid part of the inclusions in quartz from different mineral assemblages varies insignificantly but salt content increases at the moment of rodonite - rhodochrosite assemblage formation. Temperature interval of mineral associations formation expands with progressing of hydrothermal process, but the average homogenization temperature is preserved (slightly increased). High-temperature (750-620-degrees-C) inclusions of brine-melts have been found within rodonite - rhodochrosite association. Anomalous temperature jumps at the later rodonite - rhodochrosite stage are caused by additional heating initiated by granodiorite intrusion. Sulfide sulfur determination in the fluid inclusions were also performed. Possible complex gold and silver compounds in mineral-forming solutions have been calculated based on the experimental data. [ DOI ]

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