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 …
عرض المزيدThe Weilasituo-bairendaba district is located at the eastern end of the Central Asian Orogenic Belt, which is an important component of the Cu-Pb-Zn …
عرض المزيدThe combined depressants of "K2Cr2O4+CMC+ Z-200" was used to treat a lead-zinc concentrate from Nanjing dy restraining lead to get copper[16]. As the bulk concentrate contained 50.8% Pb and 3. ...
عرض المزيدThe Dajing Cu–Sn–Ag–Pb–Zn ore deposit, Inner Mongolia of China, is a fissure-filling hydrothermal ore deposit that occurs within the Upper Permian Linxi group.
عرض المزيدIn 1990, it was reported with metal reserves of 17,754 t Cu, 5,930 t Pb, 17,401 t Zn and 20 t Ag with an average grade of 0.63 wt% Cu, 0.28 wt% Pb, 0.82 wt% …
عرض المزيدThe 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). …
عرض المزيدAbstract. The Pulang super-large porphyry Cu polymetallic deposit, located in the Sanjiang area of Yunnan Province, is one of the largest Cu deposits in China. This …
عرض المزيدThe Southern Permian basin in central Europe contains a number of important high-grade sediment-hosted Cu deposits. Laterally extensive stratabound Cu …
عرض المزيدproducers with a historic resource of 27Mt at 4.3% Cu, 10% Pb, 3.5% Zn and 95g/t Ag 2. A compilation of previous drill data and mining plans at Khusib Springs shows that remnant copper ore exists on the margins of mined stopes. The unmined ore is in the footwall between Levels 2 and Level 3 at a depth of ~50m and could easily be mined by open pit.
عرض المزيدJinchanghe is a Zn-Pb-Fe-Cu skarn deposit in the northern Baoshan block, southwestern China. It is a typical distal skarn deposit with orebodies in the Cambrian Hetaoping Formation limestone and calcareous siltstone. The skarn minerals display a vertical zonation with garnet skarn in the lower part and pyroxene skarn in the upper …
عرض المزيدDescription. 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 ...
عرض المزيدThe 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. 1 C and 2; Fang et al., 2002, Mao et al., …
عرض المزيدZn-Pb-Ag mineral deposits are the products of hydrothermal ore-forming systems, which are restricted in time and space. In Australia, these deposits formed during three main periods at ~2.95, 1.69 to 1.58, and 0.50 to 0.35 Ga. The 1.69 to 1.58 Ga event, which accounts for over 65 percent of Australia's Zn, was triggered by accretion and ...
عرض المزيدSemantic Scholar extracted view of "Origin of ore-forming fluids of the Zn-Pb-(Cu) deposits in the Jinbao mine district of eastern Guizhou Province, China: Evidence from chemical compositions of fluid inclusions and their lithium isotopes" by Lin Xu et al. ... Carlin-type gold deposits are among the most important gold-bearing hydrothermal ore ...
عرض المزيدZhong et al. (2012) have also suggested that the existence of Fe-rich rocks is the key factor for Cu-Pb-Zn precipitation and that magnetite ores likely act as an oxidation barrier promoting the ...
عرض المزيدCu-pyrite ore bodies consist mainly of pyrite, arsenopyrite, chalcopyrite plus minor sphalerite, galena and sulfosalts. Fluorite, barite, quartz and carbonate are the gangue minerals. A polymetallic geochemical signature characterizes the mineralization. Lead, Ag, Zn and Cu contents are similar to those of the carbonate-hosted replacement …
عرض المزيدThe newly discovered Panjiaduan Cu–Pb–Zn deposit (9.3 Mt; at 1.36% Cu, 2.90% Pb, 3.80% Zn and 38.12 g/t Ag), located in the SE segment of the SGXR, is primarily hosted in fracture zones in ...
عرض المزيدThe Fengxian–Taibai (abbr. "Fengtai") ore cluster in the west Qinling orogen, Shaanxi, central China, comprises an important part of the giant Qinling Zn-Pb-Au metallogenic belt (Fig. 1 a and b).The total Pb–Zn reserve is >5 Mt with a Au reserve of >200 t in the ore cluster (Wang et al., 2007, Li, 2008).In the Fengtai ore cluster, there …
عرض المزيدBased on detailed field and microscopic petrography observation, three mineral paragenetic stages can be divided, i.e. Pb Zn stage, Au Ag stage and post-ore stage. Electron microprobe analysis reveals slightly different composition of metal sulfides between Pb Zn stage and Au Ag stage. The Fe content of Maluntou sphalerite is …
عرض المزيدThe chemical composition within the 2 nd-neighbor local zone is then Zn + Cu 9.4 Zn 2.6 + Cu 3.5 Zn 2.5 = Cu 12.9 Zn 6.1, or Cu 67.9 Zn 32.1 in at.%, which is close to that of the alloy, Cu 68.9 ...
عرض المزيدAbstract 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 …
عرض المزيد2.Regional geological setting and Huayuan Zn Pb ore field. The Huayuan Zn Pb ore field (>15 Mt. metal resources, at 1–4% Zn, 0.1–1.5% Pb) is located at the western margin of the Nanhua basin in South China (Fig. 1 a). The amalgamation of the Yangtze and Cathaysia Blocks at ca. 980–820 Ma formed the Jiangnan orogenic belt and the …
عرض المزيدGold (0.27–4.61 ppm) provides the most value to the ore, though the veins contain substantial Cu and Ag as well. Host rocks include Eocene monzonite and …
عرض المزيدThis study aimed to provide a brief account of the ultimate recoverable resources for copper (Cu), gold (Au), iron (Fe), nickel (Ni), lead (Pb), and zinc (Zn). We …
عرض المزيدIt contains up to 1.14 wt% As with trace Cu, Zn, Pb, V, Mn, Co, Ni, Ge, Se, Ag, Sb, Te, Pb and Bi, as well as colloform Cu-rich growth bands containing vugs toward the outer edges of some crystals.
عرض المزيدdemonstrate 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 ...
عرض المزيدAt 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 ...
عرض المزيدThe placement of Pb-Zn orebodies at the upward zoning of Cu-Co orebodies and the sequent precipitation of Pb-Zn following Cu-Co might be related to the mobility of these metals in hydrothermal ...
عرض المزيدThe Se, Cd, Mn, Sn, Ag, Co and Ni contents of ore minerals from the CSA Cu-Pb-Zn deposit at Cobar, New South Wales, Australia have been determined. The temperature of ore formation and the partitioning of Se, Mn and Cd between sphalerite and galena do not show a correlation; the trace elements in these mineral phases do not seem to indicate …
عرض المزيدAbstract. 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 ...
عرض المزيدThe 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 …
عرض المزيدLaser ablation-inductively coupled plasma-mass spectrometry and electron-probe microanalysis were used to investigate the trace-element contents of sphalerite, chalcopyrite and pyrite from the Plaka Pb–Zn–Ag deposit. Using petrographic observations, the analytical results could be linked to the temporal evolution of the Plaka ore-forming …
عرض المزيدTellurium-bearing minerals are generally rare in chimney material from mafic and bimodal felsic volcanic hosted massive sulfide (VMS) deposits, but are abundant in chimneys of the Urals VMS deposits located within Silurian and Devonian bimodal mafic sequences. High physicochemical gradients during chimney growth result in a wide …
عرض المزيدPb-Zn-Cu accumulation from seafloor sedimentation to metamorphism: Constraints from ore textures coupled with elemental and isotopic geochemistry of the …
عرض المزيدThe Dele Mesozoic volcanic basin in the northern Jiangxin province, Southeastern China (Fig. 1) hosts three significant ore deposits: the Dexing porphyry Cu–Au–Mo deposit; the Yinshan Ag–Pb–Zn vein deposit; and the Jinshan shear zone-hosted gold deposit.Mining of these deposits began in the Sui and Tang Dynasties …
عرض المزيدAbout 90% Zn was leached in a H 2 SO 4 solution at 80 °C, while the recovery of Pb was possible only in the brine leaching step. Ye et al. [22] extracted zinc and lead from lead–zinc mine tailings by the combined sequen-tial bioleaching and brine leaching. About 98% of Zn was extracted by bioleaching, and 99% of Pb was extracted in a
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