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Pb-Zn–Cu Accumulation from Seafloor Sedimentation to Metamorphism: Constraints from Ore Textures Coupled with Elemental and Isotopic Geochemistry of the …
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DESCRIPTIVE MODEL OF KIPUSHI Cu-Pb-Zn ... Apex Mine, USUT (Bernstein, 1986) 227. Title: Descriptive Model of Kipushi Cu-Pb-Zn Author: D.P. Cox & L.R. Bernstein Subject: Kipushi type copper-lead-zinc Keywords: massive base metal sulfides dolomite breccias Created Date:
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The results demonstrate that the ore consists of 35 categories of minerals, assaying Cu 7.99%, Pb 9.39%, and Zn 1.96% in the forms of chalcopyrite, galena, and sphalerite, respectively, and silver assaying 157.9 g/t is closely associated with these sulfides; sulfides are present in amounts of 80.31% of the total, traditional gangues only 19.69% ...
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A Novel Technology for Separating Copper, Lead and Zinc in Cited by: 4; Cu-Pb-Zn Dressing Process Xinhai. Cu-Pb mixed concentrate regrinding process saves the grinding cost without fine grinding all the ores are, and it makes further monomer dissociation to create favorable conditions for the separation of copper and lead. [Cases] Case 1.
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The Prieska Copper Mine (Copperton) deposit, located in the Northern Cape Province of South Africa, exploited from 1972 to 1994 a very large (ca. 47 Mt pre-mining resource) massive sulphide lens ...
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Investigating heavy metal contamination and geochemical characteristics of mine wastes, including tailings, from 38 abandoned mines classified as five mineralization types found extremely high concentrations of the metals were also found in mine wastes extracted by aqua regia, especially those from mines associated with sulfide minerals. The objective of this study …
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Handbook of Strata-Bound and Stratiform Ore Deposits, Volume 6: Cu, Zn, Pb, and Ag Deposits focuses on the characteristics, properties, origins, and structures of Cu, Zn, Pb, and Ag deposits. The selection first underscores a comparative review of the genesis of the copper-lead sandstone-type deposits; "volcanic" massive sulfide deposits and their host rocks; and …
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A concentrate grading 53% Zn, 2.57% Pb and 0.46% Cu plus precious metals was made. The next run will treat 40,000 to 50,000 tonnes of feed from Halfmile and test zinc …
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In this research, flotation of copper, lead and zinc minerals from a copper oxide–sulfide ore was studied. The identification tests showed that the sample is a mixture of quartz, chalcopyrite ...
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Revealing the orogenic genesis of Huogeqi Cu-Pb-Zn deposit: Evidence from the machine learning-based data interpretation of pyrite geochemistry. ... Orogenic-type deposits and their metallogenic model and exploration potential, Geol. China, № 33, с. 1181 ... The Elura Ag-Pb-Zn mine in Australia; Ore genesis in a slate belt by ...
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The Selbaie mine is a large tonnage, low-grade Cu-Zn-Ag-Au deposit with both stratiform and epithermal characteristics. Mineralization comprises lower grade, disseminated Zn-Ag ore and pyritic ...
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The project lies in the southern extent of the Cobar basin which hosts deposits such as the Hera and Nymagee Mines (YTC Resources), further north east the Peak Mine (New Gold) and CSA Mine (Glencore), and positioned adjacent to …
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The imbalance between raw materials of high economic importance and their supply has increased the search for new approaches to obtain valuable elements from mining tailings. In this study, the extraction of copper, zinc, and lead from sulfidic tailing in sulfate–chloride media was investigated. A 33 Box–Behnken design was applied to evaluate …
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A waste rock dump and a tailings dump are present in the northern area, whereas seepages from the adit and goaf are present in the southern area (Fig. 1).Contaminants in the seepages include Al, As, Cd, Cu, Fe, Mn, Pb, and Zn [10], which contaminate the creek in the mine area.Although passive treatment facilities downstream of the creek were in operation at …
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The CSA Cu-Ag-Pb-Zn deposit, one of the Cobar-style deposits, is located 11km NNW of Cobar in central New South Wales within an area known as the Cobar Mining Field. Historically mined for Pb-Zn ...
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The effectiveness of phosphate treatment for Cd, Cu, Pb, and Zn immobilization in mine waste soils was examined using batch conditions. Application of synthetic hydroxyapatite (HA) and natural ...
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Huogeqi is a large Cu–Pb–Zn polymetallic deposit lying on the north margin of North China Craton, with a metal reserve of 0.71 Mt Cu at an average grade of 1.35 wt% Cu; 0.78 Mt Zn at 1.46 wt% Zn and 0.97 Mt Pb at 1.49 wt% Pb (Huang et al. 2001).In addition, iron formations within the ore-hosting sequences are also mined for iron resources.
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The objective of this study was to investigate heavy metal contamination and geochemical characteristics of mine wastes, including tailings, from 38 abandoned mines classified as five mineralization types. Mine waste materials including tailings and soils were sampled from the mines and the physical and chemical characteristics of the samples were …
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The Kipushi (Democratic Republic of the Congo) and Gayna River (Canada) deposits are examples of large deposits of this type, each with 50 Mt of ore. The Zn-Cu dominant Kipushi …
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The pH of the waste covered a wide range, from 1.73 to 8.11, and was influenced by associated minerals and elevated levels of Cd, Cu, Pb, and Zn, extracted by a Korean Standard Method (digestion with 0.1 mol L(-1) HCl), which were found in the wastes.
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This corridor is zoned from Cu-(Au) ores in its inner parts (Smelter deposit) to peripheral Zn-Pb-(Ag) ores (Colquijirca deposit). The Smelter-Colquijirca corridor has …
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The Dongshengmiao deposit in the Langshan district is a large Zn-Pb-Cu deposit with reserves of 4.83 Mt Zn at an average grade of 2.85 % Zn, 0.96 Mt Pb at 0.67 % Pb, and 0.11 Mt Cu at 0.86 % Cu (Long, 2009).As the third largest Pb-Zn deposit in China, its genesis has been actively debated since its discovery (Wang et al., 2014).Two main hypotheses currently exist: …
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The Ordovician Zn–Pb–Cu massive sulphide ore deposits of the Bathurst mining camp share many features with those of the Devonian/Carboniferous Iberian pyrite belt, particularly the tendency to large size (tonnage and metal content); shape, as far as can be determined after allowing for deformation; metal content, particularly Fe/Cu, Pb/Zn and Sn; …
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The minor elements (Al, Mn, Fe, Cu, Zn, Cd and Pb) and low-level Zn in creek samples, and Cd and Pb in groundwater were determined by graphite furnace atomic absorption spectrometry (GFAAS) on a Perkin Elmer Zeeman 5000 using standard instrument settings (Perkin- Elmer, 1992).
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In this research, flotation of copper, lead and zinc minerals from a copper oxide–sulfide ore was studied. The identification tests showed that the sample is a mixture of quartz, chalcopyrite, galena, cerussite, hemimorphite and iron oxide minerals with 5.04% CuO, 1.61% PbO, 2.07% ZnO and 56.40% SiO2. The experimental design methodology (RSM) was …
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Summary statistics for trace elements associated with selected Cu-Au skarn deposits are presented in tables 1 to 3. Ranges and means for elements (As, Cd, Se, Pb, Cr, and Hg) that …
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Moreover, the elemental concentrations of new Cu–Zn alloys with the good mechanical properties are predicted by machine learning. The current results reveal the vital importance of the "composition-oriented" design method via machine learning for the development of high-performance alloys in a broad range of elemental compositions.
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This study aimed to evaluate soil physicochemical characteristics (pH, electrical conductivity, organic matter, total N, and extractable P and K), and potentially toxic elements (As, Cu, Pb, and Zn), in non-active mines located in the Portuguese sector of the Iberian Pyrite Belt (IPB). A total of 70 sampling sites were surveyed at Aljustrel and Lousal, in areas already …
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Par la suite, les impacts sur l'environnement de l'usinage de ce type de gîte seront étudiés. Finalement, les méthodes de traitement traditionnelle et biologique des effluents miniers seront vues. ... MINES DE MÉTAUX DE BASE (CU-PB-ZN) 3 .1 . CARACTÉRISTIQUES DE LA MINE 3.2. EFFETS SUR L'ENVIRONNEMENT 3.2.1. Réactifs de flottation ...
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