Jan 2, 2021 · The Poshteh deposit is the first documented paleo-hydrothermal chimney-bearing volcanogenic massive sulfide (VMS) deposit in Iran. It occurs in the form of well-developed lensoid orebodies within the Eocene volcano-sedimentary sequence, and comprises of laminated, brecciated, banded, massive, and disseminated textures. The stratiform part of this deposit is …
Jan 22, 2023 · By Jorge Cirett. During the 3 rd week of the year (January 16 th to January 22 nd, 2023), 20 companies working in Mexico released news on their properties.Two companies posted on exploration of non-advanced properties, six companies posted on Q4 2022 production figures, one released its 2023 production guidance and one announced the re-start of operations at a …
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Sep 23, 2024 · Mineral resources are estimated at an NSR cut-off value of US$100 per tonne. NSR values calculated in US$ using factors of $0.60 per g/t Ag, were $12.32 per g/t Au, $18.63 per % Pb and $14.83 per % Zn. These factors are based on metal prices of US$27.00/oz Ag, US$1,500/oz Au, $1.15/lb Pb, and $1.20/lb Zn and estimated recoveries and smelter terms.
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4 days ago · Gambusino Prospector de Mexico, S.A. de C.V. is a Mexican incorporated company that provides exploration services to companies searching for mineral resources in Mexico. We are conveniently based in Hermosillo and Queretaro, providing exploration services country wide. A special focus in security and cost management within a strategy based on good community …
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Jun 24, 2021 · Hill Crest: Cu-Pb-Zn-Sb (Northern Peninsula), J. Snow, Harbour Grace Hinds Brook: Cu (Central Newfoundland) T. Gordon, Corner Brook Hjelm Ridge: U-Mo (Burin Peninsula) K. Kelloway, Burin Bay Arm Hodder: Cu-Pb-Zn (Baie Verte Peninsula) J. White, CBS Hope Brook Extension: Au (Southern Newfoundland) R. Quinlan, Birchy Bay
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PDF | On Nov 7, 2014, Dídac Navarro-Ciurana and others published Els Jaciments Minerals de Zn-Pb en Roques Carbonàtiques: Exemples en la Península Ibèrica | Find, read and cite all the ...
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Oct 1, 2015 · The Laochang Pb–Zn–Ag–Cu volcanogenic massive sulfide (VMS) deposit, located within the Changning–Menglian Paleotethyan suture, SW China, is an economically significant deposit with explored reserves of 866,000 metric tons (t) Pb at 4.5%, 336,000 t Zn at 3.3%, 1700 t Ag at 155 g/t, 116,000 t Cu at 0.5–0.9%, 2.84 Mt pyrite and accompany 0.8 t Au.
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Nov 1, 2020 · The Hera Au-Pb-Zn-Ag deposit is located within the Cobar Basin of the Lachlan Orogen. The deposit was classified as a Cobar-type deposit, however the presence of skarn gangue mineral assemblages ...
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Feb 1, 2023 · The elaborated mineral photosynthetic indices (12 in total), SPI (Single Phytotoxicity Indices), IPI (Integrated Phytotoxicity Indices) and TIPI (Total Integrated Phytotoxicity Indices) revealed that bioactive concentrations of Mg and Fe should be specifically regulating Zn, Pb, Cu, Cd fluxes in Scots pine needles. Such mechanism appears ...
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Aug 1, 2023 · Lead (Pb) and zinc (Zn) are common base metals widely used in modern industrialization. Due to their incompatible geochemical properties, Pb–Zn tends to partition and accumulate in Earth’s crust (Gao et al., 1998, Hofmann, 1988).Galena (PbS) and sphalerite (ZnS), two essential Pb–Zn ore minerals, occur in several sediment-hosted and …
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