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Fahlores of the Prasolovka Au-Ag volcanogenic deposit, Kunashir Island, Russian Far East

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Abstract

The chemical study shows that fahlores from the Prasolovka deposit are complex compounds with significant variations in their composition and the proportions of their constituent elements. Based on their major-element composition, they are subdivided into 3 species and 11 inter-and intra-species varieties. The chemical composition of the fahlores in different mineral assemblages from different ore types indicates that As fahlores subsequently replaced by Sb, Te-Sb, and Te fahlores during ore precipitation. The revealed evolution of the ore solutions from the early to late stages testifies that different ores at the Prasolovka deposit were formed under different physicochemical conditions.

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Authors and Affiliations

  1. Far East Geological Institute, Far East Division, Russian Academy of Sciences, Vladivostok, Russia

    R. A. Kemkina

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Original Russian Text © R.A. Kemkina, 2007, published in Tikhookeanskaya Geologiya, 2007, Vol. 1, No. 2, pp. 30–44.

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Kemkina, R.A. Fahlores of the Prasolovka Au-Ag volcanogenic deposit, Kunashir Island, Russian Far East. Russ. J. of Pac. Geol. 1, 130–143 (2007). https://doi.org/10.1134/S1819714007020030

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