— The Baoshan Cu Pb Zn skarn deposit is located in southern Hunan province at about 30 km west of the Chenzhou city in the western Nanling Range, west of the Chenzhou–Linwu fault (Fig. 1 c). It is a skarn-hydrothermal type Cu-polymetallic deposit with metal reserves of 238,700 t at an average grade of 1.28 % Cu, 470,700 t at an …

 — The western or upper lens is Zn-rich (6 to 7% Zn, ∼ 0.3% Cu and < 1% Pb) and, based on stratigraphic correlation, is interpreted to represent the continuation of the Tazakourt orebody. The eastern or lower lens is Cu-rich (2 to 3% Cu, < 1% Zn, < 1% Pb and ∼ 600 to 700 ppm Co). Total reserves at Tazakourt are estimated at 10 Mt grading …

 — The Coringa gold-silver (Cu-Pb-Zn) deposit, in southeastern of Tapajós Mineral Province, is hosted in felsic volcanic rocks the Vila Riozinho Formation (1996 ± …

 — 1. Introduction. The Aqishan-Yamansu Fe–Cu belt, Eastern Tianshan hosts numerous Paleozoic Fe–Cu deposits, such as Duotoushan, Heijianshan, Shuanglong, and Shaquanzi (Zhao et al., 2017a, Zhang et al., 2018a).It is a crucial component of the southern Central Asian Orogenic Belt (CAOB) and an important …

 — However, for some commodities (e.g., Cu, Ni, Zn, and Pb) (Elshaki et al., ... (Zn, Pb) and siliciclastic–carbonate (Zn, Pb), based primarily on the rock types that are associated with mineralization (Hofstra et al., 2021 ... Small deviations between fault traces from different databases are not expected to have a major impact on the ...

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 — 1. Introduction. Skarn deposits are typically developed within or adjacent to hypabyssal intrusions of carbonate rocks (Meinert et al., 2005).They represent an important source of Cu–Fe–Au, Pb–Zn–Ag, and W–Sn globally (Einaudi et al., 1981, Meinert, 1992).Vein-type Pb–Zn ± Ag mineralization commonly develops in the distal zones of …

 — Among these deposits, the Huogeqi Cu-Pb-Zn deposit located in the Langshan district in northern China is one of the most intensively studied (Zhong et al., 2012, Zhong et al., 2013, Zhong et al., 2014, Zhong et al., 2015c, Pi et al., 2015, Bao et al., 2021).Even though, it is still debated whether this deposit is of syngenetic or orogenic …

 — The timing of the magmatic-hydrothermal activity is of importance for understanding the Cu–Pb–Zn mineralization process. The Cu–Pb–Zn skarn …

Pipe-shaped zones of altered rock containing disseminated and stockwork vein mineralization underlie each of the several Archean volcanogenic Cu-Zn ore lenses at the Millenbach mine. The rocks and mineralization have been metamorphosed first to hornblende hornfels assemblages, then retrograded to greenschist facies assemblages, …

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DOI: 10.1016/j.oregeorev.2024.106131 Corpus ID: 270768975; Middle Triassic Cu–Pb–Zn Skarn mineralization in the Wulonggou gold ore field, Eastern Kunlun Orogen, NW China: Insights from phlogopite Ar–Ar and zircon U–Pb dating and Sr–Nd–Pb–Hf isotopes

Approximately 300,000t at 10% Cu, 584g/t Ag and 1.8% Pb1 was mined from the deposit. Khusib Springs has a similar geological setting to Tsumeb and like Tsumeb contains elevated germanium. The Tsumeb Mine was one of the world's major copper producers with a historic resource of 27Mt at 4.3% Cu, 10% Pb, 3.5% Zn and 95g/t Ag 2.

 — The patterns of the potentially toxic elements (PTEs: Cr, Fe, Ni, Cu, Zn, As, Mo, Pb, Hg) distribution in soils were studied together with the health risk assessment in the area of ore mineralization, past gold activity, and tailing effects of the Sarala gold-ore group located in the Republic of Khakassia, Russia. High PTE concentrations were found in …

 — Historical and active mining has adversely affected the geochemistry of the Jiehe River in the Jiaodong Peninsula, which has the largest gold ore reserves in China. Water and sediment samples were collected along the 37.8 km long river during the critical low flow season. Samples were analyzed for their geochemical properties, total …

The DXRF-7000 X-ray Fluorescence Mineral Analyzer besides being a spectrometer, it is also small, light and operable with one hand. XRF analyzers are extensively accepted now for accurate, rapid and non …

 — The district is known for its placer gold (Yeend, 1996), ... The Oscar prospect is composed of several Cu-Zn-Pb-Ag skarns within marble interlayered with quartzite, ... Whole-rock trace element data and Pb isotope compositions for feldspars from the mid-Cretaceous intrusions from our study indicate a significant crustal component in the …

 — Cu-Zn brasses, like many industrial alloys, are based on solid solutions of a base metal, here the FCC Cu. In the equilibrium phase diagram 8, the Cu-Zn solid solution covers a wide composition ...

 — A number of large to ultra-large porphyry Mo deposits (e.g., the Shapinggou, Tangjiaping, and Gaijin deposits) have been found in areas of the belt other than the Xianhualing District, whereas 40 Au–Ag–Pb–Zn mineralization sites and one medium-sized Pb–Zn–Au deposit containing 0.14 Mt Pb–Zn and 1.27 t Au have been found in the district.

 — Metal Equivalent Grade versus NSR for Poly-Metallics. Many of the mining studies that I have worked on were deposits containing multiple recoverable metals. For …

 — The Tongshanling ore field is one of the most representative W–Sn–Cu–Pb–Zn polymetallic deposits in the central-western Nanling Ore Belt, which developed multiple mineralization types ...

 — The continental growth and transformation of the Central Asian crust was accompanied by multi stages and diversified metallogenic processes, forming extensive orogenic Au porphyry Cu-Mo, orogenic gold and VMS Cu-Pb-Zn deposits (Mao et al., 2008, Goldfarb et al., 2014, Pirajno and Santosh, 2014, Deng et al., 2019, Deng et al., 2020).

 — The Lower Changjiang (Yangzi/Yangtze River) metallogenic belt, east central China: intrusion- and wall rock-hosted Cu–Fe–Au, Mo, Zn, Pb, Ag deposits. Author links open overlay panel ... particularly with respect to association with small, shallow ... Geological Team 321, 1990. Copper and gold deposits of the Tongling district. …

 — Gold Smelting Equipment It has been shown that concentrates obtained by gravity devices and cathodes can be smelted directly most the time. Silver-gold …

 — The small-scale Balugou Cu-Pb-Zn skarn deposit (45 298 tonnages of ore at 0.1% to 3.99% Cu, 0.20% to 0.43% Pb and 0.76% to 10.92% Zn) is located in the Wulonggou area in the eastern Kunlun orogen, NW China. Ore deposition is spatially and temporally related with the pre-collisional Anisian Balugou granites (~244 Ma). The …

 — Small volume, fast and high precision. The analysis samples can be solid and liquid objects like ores, rocks, slags, fragments, soil, slurry etc. It can do intelligent test …

 — Ages and Sources of Components of Zn-Pb, Cu, Precious Metal, and Platinum Group Element Deposits in the Goodsprings District, Clark County, Nevada ... and gold ± silver deposits that are spatially associated with Late Triassic porphyritic intrusions. The district encompasses ~500 km 2 although the distribution of all deposits has been ...

 — Draa Sfar is a siliciclastic–felsic, volcanogenic massive sulphide (VMS) Zn–Pb–Cu deposit located 15 km north of Marrakesh within the Jebilet massif of the western Moroccan Meseta.

 — 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. ... The generation and accretion/assemblage of these terranes resulted from a complex series of opening and closing of small ocean basins, and the …