Determining the ore-forming processes of Dongshengmiao Zn-Pb-Cu …
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). …
(PDF) Ore forming and reworking processes in the Xitieshan Pb–Zn
The Xitieshan Pb–Zn deposit, located in Qinghai Province, western China, is the third largest Pb–Zn deposit in China, with a total Pb–Zn metal reserve of 6.4 million tons.
Pb-Zn-Cu accumulation from seafloor sedimentation to …
Pb-Zn-Cu accumulation from seafloor sedimentation to metamorphism: Constraints from ore textures coupled with elemental and isotopic geochemistry of the Tiemurt in Chinese Altay Orogen, NW China
Pb-Zn-Cu accumulation from seafloor sedimentation to …
Hence the Tiemurt Pb-Zn-Cu deposit provides an opportunity to investigate the Pb-Zn-Cu accumulation from the primary VMS to later deformation-metamorphism processes. In this paper, we present new data on field geology and a comprehensive study of ore textures, paragenesis, systematic isotope (S-Pb-C-D-O) geochemistry, and LA …
Contrasting regimes of Cu, Zn and Pb transport in ore …
Request PDF | On Feb 1, 2015, Richen Zhong and others published Contrasting regimes of Cu, Zn and Pb transport in ore-forming hydrothermal fluids | Find, read and cite all the research you need on ...
(PDF) The Cu-Au-Ag-Zn-Pb ore complex at Recsk, Hungary: …
The Cu-Au-Ag-Zn-Pb ore complex at Recsk, Hungary: a uniquely preserved and explored porphyry-skarn-epithermal system in the Palaeogene magmatic belt of the Alp-Carpathian-Dinaride system
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 ...
Fluid evolution and ore genesis of Cu–Pb–Zn veins in the …
The 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 ...
Genesis and Evolution of Pb-Zn-Ag Polymetallic Deposits
The Pb isotopic composition of the sulfides from the Qiandongshan–Dongtangzi Pb-Zn deposit (with 206 Pb/ 204 Pb ratios of 18.06 to 18.14, the 207 Pb/ 204 Pb ratios of 15.61 to 15.71, and 208 Pb/ 204 Pb ratios of 38.15 to 38.50) is similar to that of the Late Triassic Xiba granite pluton, suggesting that they share the …
Metallogenic model of porphyry copper-epithermal Ag-Pb-Zn …
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 ...
Contrasting regimes of Cu, Zn and Pb transport in ore …
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), in order to …
Sphalerite and Pyrite Geochemistry from the Pusangguo Co-Rich Cu–Zn–Pb
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 this deposit has not been studied, limiting further …
Insights into ore genesis of the Beishan Pb–Zn deposit in …
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 ...
Timing of the formation of the Changba–Lijiagou Pb–Zn ore …
A case study for prediction of concealed Pb–Zn ore deposits based on tectono-geochemical data in the Huangzhuguan ore cluster, Gansu Province, China, was employed to demonstrate the potential applications of the CoBA method. ... we propose a magmatic-hydrothermal source for the Xinfang gold deposit and that the ore formation …
Sediment-hosted Zn–Pb–Cu deposits in the Central
Stratabound epigenetic sulphide Zn–Pb–Cu ore deposits of the Central African Copperbelt in the Democratic Republic of Congo and Zambia are mostly hosted in deformed shallow marine platform carbonates and associated sedimentary rocks of the Neoproterozoic Katanga Supergroup. ... The 3 to 10-m thick Zn-rich orebody intersected …
Mineralogy and Innovative Flash Flotation Separation of Cu-Pb-Zn
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 …
Genesis of Pb–Zn Mineralization in the Pulang Cu …
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 …
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.
Contribution à l'étude géologique du gisement à …
The estimated reserves based on the analyses of samples collected from 25 drill cores established in the sector go back to 568 110 Tons of ore with 3.79% Zn, 0.69% Pb, 1.02% Cu, 98.30ppm Ag and 0. ...
Cordilleran Epithermal Cu-Zn-Pb-(Au-Ag) Mineralization in …
The crosscutting relationships and zoning patterns indicate that during the main ore stage, the inner Cu zones progressively overprinted the Zn-Pb zones. Evidence for the subsequent contraction of the mineralization front is also recognized.
Petrogenetic and Metallogenetic Background of the Dajing Cu–Sn–Ag–Pb–Zn …
The 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.
(PDF) Geological, fluid inclusion and isotopic studies of the …
The Yinshan Cu-Au-Pb-Zn-Ag deposit is located in Dexing, South China. Ore bodies are primarily hosted in low-grade phyllite of the Neoproterozoic Shuangqiaoshan Group along EW- and NNW-striking ...
(PDF) Porphyry Cu–Au–Mo–epithermal Ag–Pb–Zn
Porphyry Cu–Au–Mo–epithermal Ag–Pb–Zn–distal hydrothermal Au deposits in the Dexing area, Jiangxi province, East China—A linked ore system ... The most prominent features of orogenic-type gold deposits are ore-forming fluids enriched in CO2 and 18O, low- to mediumsalinity, and a temperature range from 250 to 350 °C (Goldfarb et ...
Hydrological controls on base metal precipitation and …
The modeled sequence of base metal precipitations (Cu–Pb–Zn) follows the parameterization of metal solubilities used for this study and is also detectable in natural …
Cordilleran Epithermal Cu-Zn-Pb-(Au-Ag) Mineralization …
tin, and gold. Of these metals, zinc, lead, silver, tin, and bis-muth are produced dominantly from deposits of several styles but all sharing the following major features: (1) …
A giant porphyry-skarn-epithermal Mo-W-Cu-Zn-Pb-Ag …
The Nannihu ore field is largely represented by the Nannihu Mo-W deposit, Luotuoshan Zn-Cu-W deposit, and Lengshuibeigou Pb-Zn-Ag deposit. Mo-W mineralization at Nannihu occurs in the contact zone between the Nannihu intrusion and the wall rocks, showing typical characteristics of the porphyry-type deposit.
Determining the ore-forming processes of Dongshengmiao Zn-Pb-Cu …
DOI: 10.1016/j.oregeorev.2023.105782 Corpus ID: 265285682; Determining the ore-forming processes of Dongshengmiao Zn-Pb-Cu deposit: Evidence from the linear discriminant analysis of pyrite geochemistry
Origin of ore-forming fluids of the Zn-Pb- (Cu) deposits in …
DOI: 10.2343/GEOCHEMJ.2.0536 Corpus ID: 134419620; 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
Metallogenic environments, ore-forming types and …
Abstract: Western Tianshan Mountains extend from Uzbekistan through Tajikistan, Kyrgyzstan, southern Kazakhstan to Xinjiang Western Tianshan, with a length of 2500 km from west to east. This belt is the core zone of the "Asian Gold Belt" and shows evident potential of Au-Cu-Zn-Pb mineral resources. Large Au-Cu-Zn-Pb ore deposits …
Cordilleran Epithermal Cu-Zn-Pb-(Au-Ag) Mineralization in …
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 …