At the start of production in 1978, in situ ore reserves amenable to open-cut mining totaled 6.3 million metric tons of complex ore with an average grade of 1.7 percent Cu, 5.5 percent Pb, 14.4 percent Zn, and 89 ppm Ag, and 3.7 million metric tons of stockwork copper ore averaging 1.9 percent Cu.The deposit occurs in Middle to Upper Silurian ...

The large Xinqiao Cu–S–Fe–Au deposit in the Tongling ore district, Eastern China, is characterized by a large-scale stratiform orebody, in which garnet is widely distributed as the main gangue mineral associated with mineralization. Xinqiao garnet can be divided into early (Grt1) and late (Grt2) generations based on extensive back …

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 ...

The results showed that the water leaching extraction of Cu, Zn, Pb, and Fe reached 84.3%, 97.6%, 22.8%, and 8.4%, respectively. ... West Java – Indonesia, was kindly provided by PT ANTAM. The gold ore samples were lump-sized between 10 and 20 cm. ... (Fe) and lead (Pb) in refractory gold ore formed sulfide minerals and some in the …

This deposit (with reserves of 1.12 Mt with 2% Pb, 3% Zn, 6.1 g/t Ag, 0.07% Mo, and 0.70% Cu), located in the western NPB, is characterized by diverse mineralization types, including southern ...

The Lappberget deposit is currently the largest sulfide deposit in the mine with a combined mineral resource and ore reserve of 58 Mt at 3.42% Zn, 1.68% Pb, 0.06% Cu, 70 g/t Ag, and 0.41 g/t Au (Högnäs, 2019). It is mined and processed to produce four different concentrates: Zn, Pb, Cu, and a gravimetric concentrate targeted for Au and Ag.

Abstract. Sulfur and chlorine are the two most important ligands accounting for metal transport in the upper crust. In this study, four metal- and sulfur-saturated model fluids with varying salinities and redox states were simulated in the Fe-Cu-Pb-Zn-Au-S-C-H-O system, over a wide pressure-temperature (P-T) range (50–650 °C, 0.8–5.0 kbar ...

The detection limits for Cu, Hg, Pb and Zn, using a vibrating electrode and 30 s of deposition time, were 0.2 µg L −1 for Hg, 0.3 µg L −1 for Pb and 0.4 µg L −1 for Zn and Cu, respectively. The proposed DPASV methods were successfully applied to the determination of Cu, Hg, Pb, and Zn in a certified reference fresh water, river, tap ...

Germanium, a key technology metalloid, is mainly recovered as a by-product from the mining of sphalerite-rich ores: from sediment-hosted massive Zn-Pb-Cu(-Ba) sulfide deposits, carbonate-hosted Zn-Pb sulfide ores, polymetallic Kipushi-type concentrations, and also from lignite and coal deposits (Höll et al. 2007; Melcher and …

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 ...

The Pb-Zn district of the PAZ was exploited in twentieth century. It has produced ca. 400 kt of Zn and 180 kt of Pb (BRGM 1984; Ovejero Zappino 1991).Three types of Pb-Zn mineralization are described in Cugerone et al. ().Type 1 is minor, disseminated, and laminated mineralization, probably associated to sedimentation …

The spatial distributions of Cr, Ni, Cu, Zn, As, Cd and Pb (potentially toxic elements, PTEs) in sediments and intrinsic influence factors from the Wuliangsuhai wetland of the Hetao Irrigation District, China were studied in this work. The results showed that excluding Zn, the total contents of other PTEs were higher than the background values, …

The genesis of the Zn-Pb ore deposits in the Luanchuan area has been a subject of debate, and various genetic models have been proposed, including Mississippi Valley type (MVT), magmatic hydrothermal vein type and sedimentary exhalative type (SEDEX) (Yan et al., 2004; Lǚ et al., 2006; Liu et al., 2007).This paper presents detailed …

The high-sulfidation and low-sulfidation epithermal deposits have been on the frontier of ore geology research during the past decades due to their usually large size of the discovered Au–Ag and Pb–Zn deposits in the island-arc and continental margin settings, respectively (Simmons et al., 2005; Prihatmoko and Idrus, 2020; Wang et al., …

The objective of this study was to evaluate the effectiveness of inorganic amendment mixtures including zeolite, limestone and phosphate rock for the remediation of a multi-metal contaminated acidic soil. Firstly, a 40-day batch experiment using orthogonal design was conducted to select the best inorganic amendment mixtures for increasing …

The original ore-fluid of the Huogeqi Cu–Pb–Zn deposit in Inner Mongolia, northern China, was enriched in heavy oxygen isotopes with δ 18 O values ranging from 9.9 to 11.4 per mil, which is characteristic of the metamorphic devolatilization of pelitic rocks. The δD values determined by direct measurement of syn-ore hydrothermal tremolite …

The lowest fineness gold (737–863) occurs with Pb minerals (galena and sulfosalts), and the higher fineness gold (904–974) occurs trapped within pyrite or in association with bismuthinite. Fluid inclusions in sphalerite and quartz in the Big Gossan pyrite-Au-As-Zn-Bi-Te occurrence have an average salinity of 8 wt percent NaCl equiv …

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 …

Polymetallic veins (Pb-Zn-Cu-Ag-Au) at the world-class Bingham Canyon, Utah, porphyry Cu-Au-Mo deposit have long been recognized, but poorly ... with lesser amounts of other sulfide and gangue minerals. Gold (0.27–4.61 ppm) provides the most value to the ore, though the veins contain substantial Cu and Ag as well. ... Ore grades …

A Cu-Pb-Zn sulfide ore from Somincor (Neves Corvo, Portugal) with a chemical composition of 0.5% Cu, 1.2% Pb, 7% Zn, 32% Fe and 43% S was used. The ore sample is a massive sulfide ore containing chalcopyrite, galena, sphalerite and pyrite as the major sulfide minerals.

The Huangshaping deposit represents the largest Pb Zn polymetallic skarn deposit in the southern Hunan district of Nanling Range (South China), which is uniquely characterized by having both Jurassic W–Sn–Pb–Zn and Cu–Pb–Zn skarn mineralization (reserves: 152.9 kt WO 3 @ 0.2 %, 43.2 kt Mo @ 0.06 %, 761.3 kt Pb @ 3.55 %, 1529.1 …

The fastest growing export markets for Lignite of Indonesia between 2021 and 2022 were China ($2.69B), South Korea ($95.9M), and Pakistan ($53.2M). Imports In 2022, Indonesia imported $254k in Lignite, becoming the 47th largest importer of Lignite in the world. At the same year, Lignite was the 1135th most imported product in Indonesia.

them, the removal rates of Cu 2+, Zn 2+ and Pb2+ by lignite are 83.02, 78.79 and 80.34%, respectively, and those of heavy metal ions by MML are 91.61, 89.60 and 98.00%, respectively. It can be ...

The Dapingzhang Cu–Pb–Zn ore deposit is mainly hosted in the felsic volcanic rocks of the Longdonghe Formation located in the Lancangjiang zone within the Sanjiang region, Yunnan province, southwest China. This province is a part of the Lanping–Simao Block at the southern margin of the Yangtze Block (Fig. 1). The volcanic …

The Fangyangshan sulfides have relatively narrow ranges of 206 Pb/ 204 Pb (18.2984–19.0819), 207 Pb/ 204 Pb (15.7731–15.8107) and 208 Pb/ 204 Pb (38.6550–39.3092) (Table 4), suggesting that either the lead (and probably other ore metals) were from the same source or the different-sourced lead was homogenized …

Haobugao Pb–Zn–Cu–Fe-Sn deposit. The Haobugao deposit, located 120 km northeast of Lindong town, Chifeng city, Inner Mongolia, is a large size Fe–Cu–Pb–Zn polymetallic deposit (Table 1).The stratigraphic units exposed in the area are mainly composed of the Permian Dashizhai Formation and the Jurassic Manketouebo …

The pyrite from the Qingchengzi ore district hosts variable amounts of As, Pb, Cu, Zn, Co, Ni, Ag, Sb and Au (Fig. 7 a). Among those elements, arsenic is the most abundant trace element in most samples containing hundreds to 10 5 ppm. The subdominant elements are Cu, Zn, Co, Ni, Pb, Ag, Sb, which are in the range of tens to …

The Fuli Pb-Zn deposit in Yunnan is located in the southeast of the Sichuan-Yunnan-Guizhou (SYG) Pb-Zn metallogenic province in South China. Lead and zinc reserves total approximately 0.3 million ...

The Guanajuato mining district is one of the largest silver producers in Mexico, which has been in constant operation for over 450 years. Historic production has been approximately 34,000 tons of silver and 170 tons of gold (Endeavour Silver 2010).. The Guanajuato ore deposit is a low- to intermediate-sulfidation epithermal deposit (the …

Altai orogenic belt is an important Cu-Pb-Zn-Au-Fe polymetallic province in northwest China, with plenty of VMS deposits and ore resources (Fig. 1 a), which is an ideal place and natural laboratory for studying VMS deposits (Windley et al., 2002, Xiao et al., 2004, Yang et al., 2018b).The Ashele Cu-Zn deposit is the largest and most typical VMS …