 | | Journal (article/letter/editorial) | | PETROLOGY OF THE INTERMEDIATE-SULFIDATION PALLANCATA DEPOSIT, AYACUCHO, PERU Jorge E. GAMARRA-URRUNAGA§ International...Germany Abstract Pallancata is a world-class intermediate-sulfidation epithermal deposit, hosted by upper...(stephanite, uytenbogaardtite, jalpaite, stromeyerite, mckinstryite, among others). The end of the most productive...redistribution (stage 8, acanthite II). Keywords: Pallancata, intermediate sulfidation, epithermal, silver...pearceite–polybasite, acanthite, uytenbogaardtite, Peru Introduction The Pallancata vein occurs in the Miocene volcanic |  | | Journal (article/letter/editorial) | | intergrowth is recorded as the Cu sulphides, whereas mckinstryite 1 (Ag1.18-1.19Cu0.80-0.81Fe0.01S) and stromeyerite...Keywords: Supergene; Cu-Ag sulphides; anilite; mckinstryite; stromeyerite; Saudi Arabia 2 Introduction...stromeyerite (AgCuS), jalpaite (Ag3CuS2) and mckinstryite ([Ag,Cu]2S). As far as the author is aware,...minerals. The size of a third Cu-Ag sulphide (mckinstryite) is noticeably coarser where it occurs as subhedral...association with anilite 13 (Fig. 6e). Texturally, mckinstryite is rimmed by anilite and the given BSE image |  | Savva, N. E., Volkov, A. V., Sidorov, A. A., Kolova, E. E., Murashov, K. Yu. (2019) Primorskoe Epithermal Ag-Au Deposit (Northeastern Russia): Geological Setting, Mineralogy, Geochemistry, and Ore Formation Conditions. Geology of Ore Deposits, 61 (1) 50-73 doi:10.1134/s1075701519010069 | Journal (article/letter/editorial) | | Vol. 61, No. 1. Primorskoe Epithermal Ag–Au Deposit (Northeastern Russia): Geological Setting, Mineralogy...potentially large Primorskoe epithermal Au–Ag deposit is represented by three areas: the Kholodnyi, Spiridonych...Arylakh, Tidit, Pereval’noe, and other deposits. The deposit under review is located in the Kalalaga volcano-tectonic...leucocratic granite massif 400–500 m beneath the deposit, which is exposed on the surface in the northeastern...classified as an intermediate sulfidation epithermal deposit. The data discussed below are of practical use |  | | Journal (article/letter/editorial) | | Complex, which also hosts the 7.1-Ma porphyry– Cu–Au deposit of Bajo de la Alumbrera. The epithermal vein system...owned by the National University of Tucumán, the province of Catamarca and the National Government of Argentina...with grades of 137.92 g/t Ag and 7.74 g/t Au. The deposit has been described by many authors (e.g. Quartino...research has been completed using modern methods. The deposit contains a few percent of pyrite + Fe-poor sphalerite...classified as an intermediate-sulphidation Au–Ag deposit (Hedenquist et al. 2000) or a carbonate–base metal–gold |
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