 | | 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...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...the district of Coronel Castañeda, Parinacochas province, Ayacucho department, at ~4,200 m.a.s.l. It crops |  | | Journal (article/letter/editorial) | | Tin Belt (ATB) represents the largest primary Sn deposit in the Andes, along with hosting significant base-metal...an ~900 km-long, trench-parallel, metallogenic province containing Sn-bearing polymetallic, epi- to mesothermal...deposits that geographically extend from southern Peru to northwestern Argentina. It represents one of...physiographic region known as the Puna plateau in Jujuy province, northwestern Argentina. The geology of the Puna...massive-sulfide mineralization comprised of pyrite, marcasite, sphalerite, quartz, cassiterite, and clay minerals |  | | Journal (article/letter/editorial) | | concentrations for this mineral. The Puesto La Estancia deposit contains various tellurides including This is...Orientales geological province (Caminos, 1979), in the Sierra de San Luis (San Luis province, Argentina) (Fig...inclusions in pyrite and partially replaced by marcasite, tetrahedrite-tennantite, digenite, covellite...(2015), from the Agua Rica epithermal-porphyry deposit. Deditius et al. (2009) interpreted these changes...of the Mt Carlton high sulfidation epithermal deposit. These authors observed a positive correlation |  | | Journal (article/letter/editorial) | | Keywords: intermediate sulfidation; epithermal deposit; porphyry; subtype; arc; post-collisional 1. Introduction...metals for Mexico, the United States, Canada, Chile, Peru, Papua New Guinea, and Japan. Lindgren (1922, 1933)...distributions, ore and gangue mineralogy, ore and deposit morphology, magmatic affinity, tectonic and structure...sulfidation deposit characterized by oxidized sulfur valence (SO42-, n=+6) and low sulfidation deposit characterized...but not necessarily exclusive, to one type of deposit. Sulfidation state of sulfide minerals is a function |  | 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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