Leaching of Cu, Zn, and Pb from Sulfidic Tailings Under the …

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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Numerical simulation of ore formation within skarn-type Pb-Zn …

Skarn-type deposits are high grade ore deposits hosted by skarn minerals such as garnet, pyroxene and other calc-silicate minerals (Meinert et al., 2005, Chang et al., 2019; Fig. 1).These deposits are widely distributed throughout the world and contain a large amount of metal resources (Pb, Zn, Cu, Au, W, Sn, as well as multiple critical metals).

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In situ U-Pb dating and trace elements of magmatic rutile …

In this study, this paper carried out systematic petrological and in situ LA-ICP-MS U-Pb dating and trace element composition studies of rutile from ore-hosting diorite porphyry in the Mujicun Cu-Mo deposit, North China Craton (Fig. 1)bined with published geochronological, geochemical and isotopic studies from the Mujicun Cu-Mo deposit, the major …

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Co-Rich Cu–Zn–Pb Skarn Deposit, Tibet: Implications for …

Abstract: The Pusangguo deposit (1.42 Mt @ 1.42% Cu, 0.14 Mt @ 1.82% Zn, 0.08 Mt @ 1.01% Pb, and 285.8 t Co @ 140 g/t Co) is the first Co-rich Cu-Zn-Pb skarn deposit discovered in the Gangdese metallogenic belt. However, the trace and minor element geochemistry of the sulfides in …

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Punctuated, episodic magmatism and mineralization of the …

Incorporating these new geochronology data and field observations with previously published information about the alteration and mineralization of the RMC yields a more complex, detailed history of the mineral system responsible for Au-Pb-Zn-Cu mineralization than previously identified (Fig. 9).

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Hydrological controls on base metal precipitation and …

Ore precipitation in porphyry copper systems is generally characterized by metal zoning (Cu–Mo to Zn–Pb–Ag), which is suggested to be variably related to solubility decreases …

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Middle Triassic Cu–Pb–Zn Skarn mineralization in the Wulonggou gold ore

PDF | On Jun 1, 2024, Jia–Jie Xiong and others published Middle Triassic Cu–Pb–Zn Skarn mineralization in the Wulonggou gold ore field, Eastern Kunlun Orogen, NW China: Insights from ...

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Textural and geochemical analysis of chalcopyrite, galena …

The genesis of the Mount Isa Cu-Pb-Zn system, northern Australia, is highly debated. Three metallogenic models have previously been proposed to explain the close spatial relationship between a world-class Cu and Pb-Zn deposit: (1) ca. 1650 Ma syngenetic Pb-Zn mineralisation that has been re-mobilised and overprinted by ca. 1520 Ma epigenetic Cu …

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Pb/Zn Ores

Cu-Pb-Zn separation is a challenging flotation process. Flotation requires an initial flotation of bulk concentrate followed by two parallel circuit stages. Selection of flotation reagents and frothers is an important, even critical, consideration.

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Genesis of the Bafangshan-Erlihe Zn-Pb-Cu deposit in the …

The large Bafangshan-Erlihe Zn-Pb-Cu deposit, located in the north of the Fengtai ore cluster, contains over 1.1 Mt of ore comprised of 7.4% Zn, 1.3% Pb, and 0.87% Cu on average (No. 717 Geological Party of Northwest Geological Exploration and Mining Bureau for Nonferrous Metals, 1994), with recoverable Ag, Au, Cd and Hg.

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Extraction of Pb, Cu, Zn and As from Fine Dust of Copper

More than half of the arsenic from the dust is left in the lead cake. ... (solid/liquid) ratio on the selective extraction of Pb, Zn, Cu and As into targeted products under leaching conditions is studied. The results of the test work show that with the optimal process parameters of S:L = 1.5, t = 60 °C, τ = 60 min, the extraction of copper ...

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Preferential Flotation of a Refractory Cu-Pb-Zn …

Preferential Flotation of a Refractory Cu-Pb-Zn Polymetallic Ore Shun-Ming Deng1, *, Jian-Tao Lang2 1 Chongqing Vocational Institute of Engineering,School of Mechanical Engineering,Chongqing,China,402260 2 Kunming University of Science and Technology, Kunming City, China *@189 Keywords: Copper-lead-zinc sulfide ore, …

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New insights on the formation of the Jingchong Cu-Co-Pb-Zn …

The 40 Ar-39 Ar dating of muscovite in the Jingchong deposit yields a mineralizing age of ca. 121.1 ± 2 Ma, consistent with the ca. 130–120 Ma Pb-Zn mineralizing events in the northeastern Hunan Province. The sulfur isotopic values (−3.0 to +3.5‰) of the Pb-Zn ores are similar to that of Cu-Co ores, indicating a magmatic sulfur origin ...

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Ore-forming material sources of the Jurassic Cu–Pb–Zn …

Typical Pb − Zn sulfide ores from mineral deposits in the southern Hunan Province of the Qin–Hang Cu–Pb–Zn ore belt have 207 Pb/ 206 Pb ratios that range from 0.82 to 0.87, with average ratios of 0.848 for Shuikoushan, ... and then to Huangshaping–Shuikoushan (150–160 Ma), the upper crustal Pb compositions become more dominant. 5.4.

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Ore genesis of the Bayanbaolege Ag-Pb-Zn deposit, NE …

Granodiorite porphyry yields zircon U–Pb age of 130 ± 1 Ma that is consistent with sphalerite Rb-Sr isochron age of 129.9 ± 2.9 Ma, constraining the timing of emplacement and associated Ag-Pb-Zn mineralization to the Early Cretaceous, and indicating a close temporal and genetic relationship between Ag-Pb-Zn mineralization and the ...

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Exploration and grade control of zinc ore

Sphalerite (ZnS) is the primary source of Zn ore, accounting for 95% of the world's supply. Other elements associated with sphalerite, such as lead (Pb) present as galenite, copper (Cu) …

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Differentiating Jurassic Cu-, W-, and Sn (—W)-bearing …

The Nanling mineralization belt in South China is famous for widespread Mesozoic polymetallic ore deposits (e.g., W, Sn, Cu, U, Nb, Ta and REE), which can be classified into the most representative four types: W-, Sn (—W)-, Cu-, and Nb—Ta-polymetallic deposits (Fig. 1 a; Mao et al., 2014, Madayipu et al., 2023).In this region, the giant-scale polymetallic deposits are …

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Sediment hosted stratiform barite – (Cu-Zn-Pb) deposits in …

According to the geological classification of Iran (Berberian and King 1981), the studied area is in the northwestern end part of the SSZ.Extended over a strike length of 1500-km and 100–250 km wide, the SSZ, as the tectonomagmatic and metamorphic core of the Zagros continental collision zone, has experienced several phases of metamorphism and magmatism, …

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Metallogenesis and fluid evolution of the Huangtupo Cu–Zn …

The Kalatag area, located in the middle of the Harlik–Dananhu arc in East Tianshan orogen, hosts several Cu–Zn deposits, including the Huangtupo VMS Cu–Zn deposit (including the Honghai deposit) and the Hongshan, Hongshi, and Meiling hydrothermal lode-type Cu deposits (Figs. 1C and 2; Fang et al., 2002, Mao et al., 2010, Deng et al., 2014a, Deng et al., …

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Ore-forming material sources of the Pb–Zn–(Ag–Fe–Cu) …

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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The Zn-Pb sulfide and Pb-Zn-Ag non-sulfide Kuh-e-Surmeh ore …

The sulfur isotope enrichment factor (ε SO4–primary sulfide minerals = 7.8‰) reflects the SO 4 −2 of the late stage gypsum formed by sulfate generated from the dissolution of primary sulfate minerals that mixed with sulfate originating from the oxidation and dissolution of sulfide minerals. Topographic relief, tectonic fracture systems, reactivation of the Surmeh Fault, …

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Geology and genesis of the Aqishan Pb-Zn deposit, NW …

Skarn systems constitute a major source of the world's Pb, Zn, W, Sn, Fe, Cu, Mo, and Au ... All zircon grains yield variable Th contents of 61–836 ppm and comparable U contents of 83–890 ppm, ... the ore fluids evolved to a more diluted fluid system and were associated with the formation of barren carbonate veins and locally filling ...

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Nanobubble assisted flotation separation of …

Drill core sulfide ore samples (weighing about 60 kg) were received from Garpenberg, Boliden Mineral AB, Sweden. Garpenberg is an underground mine where the complex Zn-Pb-Ag-Cu-Au ore (Table 2) is mined from 500 to 1400 …

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Middle Triassic Cu–Pb–Zn Skarn mineralization in the Wulonggou gold ore field, Eastern Kunlun Orogen, NW …

Preparing samples in this way enables longer measurements and typically yields results comparable to those of laboratory methods. In this study, Zn-Pb-Cu-Ag ore samples were finely ground and packed into standard XRF …

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Trace element and sulfur isotope compositions of pyrite …

The Tianqiao Zn–Pb–Ag deposit in SW China, hosted by Devonian and Carboniferous limestone and clay rocks, is composed of sulfides such as sphalerite, galena, and pyrite. Pyrite is present in different paragenetic stages and can be divided into four types based on textures and mineral assemblages. Pyrite from the adjacent Shanshulin deposit (Py-SSL) is …

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Mineralization of Zn-Pb-Ag and associated critical metals: An

Song et al. (2023) studied the metal sources of the Zhugongtang Zn-Pb deposit in northwestern Guizhou province, South China. The results suggest that sphalerite is the main Cd-bearing mineral and Cd was most likely incorporated into sphalerite via (Fe 2+, Cd 2+) ↔ Zn 2+ substitution. The different Cd isotopes and Zn/Cd ratios support a mixing model for the metal …

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Ore-forming material sources of the Jurassic Cu–Pb–Zn …

In contrast, the Pb–Zn mineralization reveals higher and more variable δ 34 S (‰) values (–4 to 18) and Pb isotopic ratios (208 Pb/ 204 Pb = 38.0–39.5, 207 Pb/ 204 Pb = …

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ICP-OES Method for the Determination of Fe, Co, …

A new approach based on the use of inductively coupled plasma optical emission spectrometry (ICP-OES) is presented for the quantitative determination of Fe, Co, Mn, Cu, Pb, and Zn in ore samples ...

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ICP-OES Method for the Determination of Fe, Co, Mn, Cu, Pb, and Zn …

A new approach based on the use of inductively coupled plasma optical emission spectrometry (ICP-OES) is presented for the quantitative determination of Fe, Co, Mn, Cu, Pb, and Zn in ore samples ...

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Ore genesis and tectonic setting of the Bieluwutu Cu-Pb-Zn …

The Bieluwutu Cu-Pb-Zn deposit is located in the Ondor Sum region of the western Xing'an-Mongolia orogenic belt, North China. The host rocks of the deposit consist of metasandstone, tuffaceous slate, andesitic tuff and fragmented felsic volcanic rocks, which have previously been regarded as the Early Carboniferous Amushan Group.

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The origin of the Dapingzhang volcanogenic Cu–Pb–Zn ore …

Thus, the Dapingzhang volcanic sequence and associated Cu–Pb–Zn sulfide mineralization are different in time and geotectonic setting from other middle- to late-Triassic Cu polymetallic sulfide deposits in the west of the Lanping–Simao Block in western Yunnan, such as the Minle Cu deposit, the Guanfang Cu–Pb deposit, and the Wenyu Cu ...

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Fluid evolution and ore genesis of the Chaobuleng skarn Fe Zn

The Bujinhei Pb–Zn deposit is located in the southern Great Xing'an Range metallogenic belt. It is a representative medium- to high-temperature hydrothermal vein type deposit controlled by ...

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Genesis of the Zinkgruvan stratiform Zn-Pb-Ag deposit and …

Both ore types are characterized by significant spread in δ 34 S, with the sulfur in the Cu ore and associate marble-hosted Zn mineralization on average being somewhat heavier (δ 34 S = −4.7 to +10.5‰, average 3.9‰) than that in the stratiform Zn-Pb-Ag ore (δ 34 S = −6 to +17‰, average 2.0‰). The ranges in δ 34 S are significantly larger than those observed in syn …

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A giant porphyry-skarn-epithermal Mo-W-Cu-Zn-Pb-Ag

Request PDF | On Nov 1, 2023, Zhan-Ke Li and others published A giant porphyry-skarn-epithermal Mo-W-Cu-Zn-Pb-Ag metallogenic system in the Nannihu ore field, southern North China Craton ...

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Decoupling of Cu and Zn in sediment-hosted base metal …

Notably, copper and Co metals are mined at the Baiyangping ore block and Pb-Zn metals are mined at the Liziping ore block, and the Fulongchang ore block is dominated by Cu–Ag and is locally rich in Pb, Zn, and Co (Liu et al., 2021; Feng et al., 2021).

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Revealing the orogenic genesis of Huogeqi Cu-Pb-Zn …

There are two ore-forming stages for Cu-Pb-Zn mineralization in the Huogeqi deposit, including the main-stage Cu-Pb-Zn mineralization and late-stage Cu ... for lithophile elements, and a pure pyrite crystal for S. More detailed information of LA-ICP-MS analysis is described in Large et al., 2007, Large et al., 2009, and Belousov ...

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Geology, mineralogy, and cassiterite geochronology of the Ayawilca Zn

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 In, …

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