The Ayawilca deposit in Pasco, Peru, represents the most significant recent base-metal discovery in the central Andes and one of the largest undeveloped In resources globally. As of 2018, it hosts an 11.7 Mt indicated resource grading 6.9% Zn, 0.16% Pb, 15 g/t Ag, and 84 g/t In, an additional 45.0 Mt inferred resource grading 5.6% Zn, 0.23% Pb, 17 g/t Ag, and 67 g/t …
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Request PDF | Minerals of the Pb–As–Sb–S and Cu–Pb–As–Sb–S Systems in Ores of the Berezitovoe Gold-Polymetallic Deposit, Upper Amur Region, Russia | The composition and genesis of Pb ...
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Located approximately 180 km northwest of Stockholm (Fig. 1), the Lappberget Zn–Pb–Ag–(Cu–Au) deposit is part of Boliden Mineral AB's Garpenberg mine and is Sweden's oldest still-operating mine.It is located in the Bergslagen mining district, which hosts a wide variety of metamorphosed and deformed, magmatic-hydrothermal, and hydrothermal mineral deposits …
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Orogenic-type gold deposit is of great economic importance worldwide and its ore-fluid is believed to have poor ability in transporting base metals such as Cu, Pb, and Zn.
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The Pb isotope ratios (206 Pb/ 204 Pb = 15.890–16.794, 207 Pb/ 204 Pb = 15.188–15.530, and 208 Pb/ 204 Pb = 36.589–37.710) of ore-related sulfides indicate the metals in the ores originated primarily from the lower crust, with a minor mantle contribution, and most likely came from a deep magmatic system. The Late Triassic gold ...
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tin, and gold. Of these metals, zinc, lead, silver, tin, and bis-muth are produced dominantly from deposits of several styles but all sharing the following major features: (1) polymetallic (Cu-Zn-Pb-Ag-Au) suite; (2) zoned from inner Cu-bearing to outer Zn-Pb−bearing ores; (3) sulfide-rich character, com-
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Volcanogenic massive sulfide (VMS) deposits are one of the most important sources of metals (mainly Cu, Zn, Pb ± Au) in the world (Mercier-Langevin et al., 2011, Hannington, 2014, de Ronde et al., 2019).Metallogenesis of this kind of deposit is often complex and multistage, making it difficult for ore geologists to obtain detailed ore-forming information.
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The Pb isotopic composition of the sulfides from the Qiandongshan–Dongtangzi Pb-Zn deposit (with 206 Pb/ 204 Pb ratios of 18.06 to 18.14, the 207 Pb/ 204 Pb ratios of 15.61 to 15.71, and 208 Pb/ 204 Pb ratios of 38.15 to 38.50) is similar to that of the Late Triassic Xiba granite pluton, suggesting that they share the same Pb source. The ...
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The Tiemurt Pb-Zn-Cu deposit (metal reserve: 0.29 Mt (Pb + Zn) and 0.14 Mt Cu) is hosted in the Kangbutiebao Formation volcanic-sedimentary rocks in the Chinese Altay Orogen, NW China.
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The crosscutting relationships and zoning patterns indicate that during the main ore stage, the inner Cu zones progressively overprinted the Zn-Pb zones. Evidence for the subsequent contraction of the mineralization front is also recognized.
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The Cu–Pb–Zn skarn mineralization has also been found in the northwestern section of the Wulonggou gold ore field. It is proposed that Cu–Pb–Zn skarn mineralization is coeval …
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According to PCA analysis, two main types of ore mineralization occurred at Zarshuran, (1) Au mineralization associated with As, Sb, and Hg, and (2) Cu-Zn-Pb base-metal mineralization related to Ag.
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Massive Cu-Zn ore: Barite: L: Primary: 3–9: −7.3 to −4.6: 232–364 (273) Liquid: 7.31–10.86: 0.67–0.86: 40: V: ... In addition to the metal complex, gold is also likely transported as a sulfur complex (Heinrich et al., 1992), and where sulfur is removed from the hydrothermal fluid during polymetallic sulfide precipitation, gold is ...
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tin, and gold. Of these metals, zinc, lead, silver, tin, and bis-muth are produced dominantly from deposits of several styles but all sharing the following major features: (1) polymetallic (Cu-Zn-Pb-Ag-Au) suite; (2) zoned from inner Cu-bearing to outer Zn-Pb−bearing ores; (3) sulfide-rich …
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Primary fluid inclusions in sphalerite and quartz from the banded and crustiform veins are low saline aqueous H 2 O-salt inclusions with only traces of CO 2. ... The polyphase IS veins contain gold adjacent to the HS dominated ore zone. ... The polymetallic Chah-Mesi Cu-Pb-Zn-(Ag-Au) vein type deposit, located near to the Meiduk porphyry Cu-(Mo ...
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Base metals comprise non-ferrous metals such as Cu, Pb, Zn and Ni which have lot of industrial applications. Wang et al. [57] determined Co, Cr, Cu, Fe, Mn, Mo, Ni, Pb, Sb, Ti, W, and Zn in a variety of base metal ores including oxides, sulfides, and silicates by MP-AES after the samples were dissolved using a 6-channel infrared digester. The ...
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About Pb-Cu. Lead and zinc are extremely close in nature, especially in primary deposits, and often coexist. Most of the lead-zinc minerals are sulfides and sulfates, and galena and sphalerite are the primary Pb-Zn ores. Non-sulfide: It is formed due to hypogene and supergene weathering. Mostly oxide ores like zincite, and cerussite may fall under this category.
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Request PDF | On Feb 1, 2015, Richen Zhong and others published Contrasting regimes of Cu, Zn and Pb transport in ore-forming hydrothermal fluids | Find, read and cite all the research you need on ...
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The Yinshan Cu–Au–Pb–Zn–Ag deposit is located in the famous Dexing copper–gold polymetallic district in South China (Fig. 1). This polymetallic district consists of the Middle Jurassic (ca. 170 Ma) Yinshan Cu–Au–Pb–Zn–Ag deposit (950,000 tons of Cu and 107 tons of Au) (JGEB, 1996, Yinshan Lead-Zinc Mine, 1993, Wang et al., 2011b), the Middle …
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This review paper presents an in-depth synthesis of the environmental aspects associated with the mining of the Baiyinchang Cu–Zn–Pb deposit in China. The review covers contamination by atmospheric deposition and sewage irrigation, soil contamination, and ecosystem health to evaluate current environmental conditions, identify potential impacts, and …
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The following Danafloat™ collectors should be initially considered for complex Cu-Pb-Zn ore flotation: Cu-Pb Flotation: Danafloat™ 271 and 571 for oxidized copper and lead minerals. …
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Representative photomicrographs of ore minerals from Ag-Pb-Zn-Au(-Cu) veins (reflected light). (A, B) Electrum intergrown with euhedral quartz, siderite and pyrite. ... Monazite standard RW-1 (Ling et al., 2017) was used as the primary standard to calibrate the U-Pb age. Trebilcock Harvard 117,531 (Tomascak et al., 1996, Kohn and Vervoort ...
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The following Danafloat™ collectors should be initially considered for complex Cu-Pb-Zn ore flotation: Cu-Pb Flotation: Danafloat™ 067 Danafloat™ 068 Danafloat™ 070 Danafloat™ 233 Danafloat™ 245 Danafloat™ 345 Danafloat™ 507E Danafloat™ 271 and 571 for oxidized copper and lead minerals. Selective Zn Float: Danafloat™ 123 ...
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The average ore composition is (wt %) Cu 0.42, Zn 0.015, Pb 0.0015, As 0.003, Bi 0.001, Sb 0.005. No regular variability in the behavior of chemical elements (geochemical …
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from publication: Mineralogy of ore dressing products from Banská Hodruša Au (Ag, Pb, Cu) epithermal deposit | Gold-sulphide ore from epithermal vein deposit Banska Hodruša consists of gold ...
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The most enriched elements in the supergene non-sulfide ore are As, Cu, Cd and Zn, whereas Pb, Mg, Mn and S partly remain in the gossan, indicating incomplete leaching. Element associations in rock samples were further explored by calculating Pearson correlation coefficients for the gossan and supergene ore samples.
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For example, the principal ore minerals in base and precious metal skarns are sulfide minerals, whereas the principal tin and tungsten ore minerals are the oxide and tungstate minerals …
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(a) Lamellar orebody consisting of light brown fine-grained sphalerite from the Zhenzigou Pb-Zn deposit; (b) Extended tabular Pb–Zn orebody with width of 1–1.5 m and length of over 80 m, from the 270 m mining level of the Erdao Pb-Zn deposit; (c)Sacciform shaped orebody hosted in marble at the 300 m mining level of the Zhenzigou Pb-Zn ...
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The Zn-Pb orebodies are hosted in the skarn developed between the Dawabulake intrusion and the carbonate rocks of the Hudukedaban Formation (Fig. 4 A-B). The Dawabulake intrusion is occurred as quartz monzonite in the Halegati Fe-Cu ore-field and as granodiorite in the Muzuke Zn-Pb ore-field (Fig. 4 A). A total of 15 Fe-Cu-Zn-Pb orebodies that ...
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They share characteristics with copper ± precious metal-PGE and gold ± silver deposits including fine-grained quartz replacement of carbonate minerals in ore breccias and …
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