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[PDF] Porphyry Cu–Au–Mo–epithermal Ag–Pb–Zn–distal …
The Yinshan deposit in the Jiangnan tectonic belt in South China consists of Pb‐Zn‐Ag and Cu‐Au ore bodies. This deposit contains approximately 83 Mt of the Cu‐Au ores at 0.52% Cu and 0.8 g/t Au, and … Expand
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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 ...
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Pb-, Zn-, and Cu-bearing particles in soils over gold
Download scientific diagram | Pb-, Zn-, and Cu-bearing particles in soils over gold deposit; (a) TEM image of a Pb-and Zn-bearing particle aggregation; (b) TEM image of a Zn-bearing particle; (c ...
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Ages and Sources of Components of Zn-Pb, Cu, Precious Metal, …
Zinc-dominant carbonate replacement deposits (Zn > Pb; Ag ± Cu) resemble Mississippi Valley Type (MVT) Zn-Pb deposits in that they occur in karst and fault breccias in Mississippian limestone where the southern margin of the regional late Paleozoic foreland basin adjoins Proterozoic crystalline rocks of the craton.
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Metamorphosed Pb–Zn–(Ag) ores of the Keketale VMS
In addition to the Jiashengpan, many of the identified orogenic-type base metal deposits show characteristics of multistage mineralisation, such as the Coeur d'Alene Ag-Pb-Zn-Cu-Au veins in Idaho ...
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Mapping of Gold Prospectivity in the Qingchengzi Pb–Zn–Ag–Au
DOI: 10.1007/s11053-024-10424-3 Corpus ID: 273887441; Mapping of Gold Prospectivity in the Qingchengzi Pb–Zn–Ag–Au Polymetallic District, China, with Ensemble Learning Algorithms
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U-Pb dating, mineral geochemistry and sulfur isotopes of the …
The Tieshan complex is located in Zhenghe area of Fujian Province (SE China), which is potassic altered with extensive Cu-Mo-Au-Pb-Zn polymetallic mineralization. U-Pb dating of zircon from granite (171.38 ± 0.55 Ma) and garnet from Pb-Zn skarn ore (176.4 ± 2.1 Ma) suggested that the magmatism occurred during the Jurassic Yanshanian orogenic ...
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Determining the ore-forming processes of Dongshengmiao Zn-Pb-Cu …
Determining the ore-forming processes of Dongshengmiao Zn-Pb-Cu deposit: Evidence from the linear discriminant analysis of pyrite geochemistry December 2023 Ore Geology Reviews 163:105782
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(PDF) The Velardeña Zn-(Pb-Cu) skarn-epithermal deposits, …
Location and detailed geological map of the Velardeña mining district, showing the two main ore deposits: Santa María and Reyna de Cobre. Minor ore occurrences are (1) La …
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Revealing the orogenic genesis of Huogeqi Cu-Pb-Zn deposit: …
In addition to the Huogeqi, other cases of orogenic-type base metal deposits have also been reported worldwide, including the Coeur d'Alene Cu-Ag deposit in the Western American Craton (Leach et al., 1988), the Elura Ag-Pb-Zn deposit in New South Wales, Australia (De Roo, 1989), the Tieluping Ag-Pb deposit in Henan Province, China (Chen et al ...
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New insights on the formation of the Jingchong Cu-Co-Pb-Zn …
The northeastern Hunan Province, located in the central segment of the Jiangnan Orogen, South China, hosts different types of Pb-Zn deposits, such as the hydrothermal vein-type Jingchong and Hengdong Cu-Co-Pb-Zn deposits (Wang et al., 2017, Wang et al., 2022, Zou et al., 2018), hydrothermal vein-type Taolin and Lishan Pb-Zn deposits (Yu et al ...
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Volume 116 Issue 3 | Economic Geology
PRECISE AGES FOR LODE GOLD MINERALIZATION IN THE XIAOQINLING GOLD FIELD, SOUTHERN MARGIN OF THE NORTH CHINA CRATON: NEW CONSTRAINTS FROM IN …
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Hydrothermal alteration and geochemical proximity indicators to ore …
The area is a small historic VMS mining camp with total production yielding <3 Mt of Zn–Pb–Cu–Au–Ag ore; three ... Geological Survey of Finland and 52 samples were obtained from outcrops using a diamond drill saw or portable diamond mini-drill from the vicinity of the Metsämonttu mine. ... Cross-section through the New Metsämonttu ore ...
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Assays up to 18.1 g/t Au, 2,380 g/t Ag, 16.55% Cu, 15.25% Pb, …
Assays up to 18.1 g/t Au, 2,380 g/t Ag, 16.55% Cu, 15.25% Pb, and 7.44% Zn in Rocks at K2 Gold's Cerro Gordo Target November 20, 2024 6:00 AM EST | Source: K2 Gold Corporation Vancouver, British Columbia--(Newsfile Corp. - November 20, 2024) - K2 Gold Corporation (TSXV: KTO) (OTCQB: KTGDF) (FSE: 23K) ("K2" or the "Company") today …
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Ore-forming material sources of the Pb–Zn–(Ag–Fe–Cu) deposits …
In comparison, the sulfides from the Pb–Zn–(Ag) deposits have higher 207 Pb/ 204 Pb values (15.6637 to 15.7331, mostly > 15.70) than the Fe–(Cu) deposits (15.6186 to 15.6848) and the Pb–Zn–Fe–Cu deposits (15.6163 to 15.7197), indicating that the metals of Pb–Zn–(Ag) deposits were derived from the upper-crust magma, whereas the ...
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New Mapping of the World-Class Jinding Zn-Pb Deposit, Lanping …
The Jinding deposit demonstrates that MVT Zn-Pb mineralization can be hosted by a variety of evaporite diapir-related rocks and indicates that dome structures and the presence of pre-ore …
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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 19.69% ...
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Pb/Zn Ores
The Cu-Pb-Zn separation process is among the most challenging flotation separations primarily because the first step must entail bulk flotation of the two most readily floatable minerals with these two minerals separated in a differential flotation stage. ... As described in the lead-zinc ore processing section, zinc sulphate and metabisulphide ...
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Revealing the orogenic genesis of Huogeqi Cu-Pb-Zn deposit: …
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 mineralization …
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Ore mineralogy and trace element (re)distribution at the …
Located approximately 180 km northwest of Stockholm (Fig. 1), the Lappberget Zn–Pb–Ag–(Cu–Au) deposit is part of Boliden Mineral AB's Garpenberg mine and is Sweden's oldest still-operating mine.It is located in the Bergslagen mining district, which hosts a wide variety of metamorphosed and deformed, magmatic-hydrothermal, and hydrothermal mineral deposits …
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Metallogenesis of the orosirian epithermal coringa gold-silver (Cu-Pb
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 ± 21 Ma) and in the Serra Alkali Feldspar Granite (1999 ± 25 Ma), and has been interpreted to have formed in a post-collisional volcano-plutonic setting.
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Recognition of the Xiayu intermediate-sulfidation epithermal Ag-Pb-Zn
Porphyry Cu ± Mo ± Au deposits are often temporal-spatial-genetically associated with epithermal Ag-Au polymetallic veins, as best exemplified by porphyry Cu systems in the Cordillera and Andes (e.g., Sillitoe, 2010).These porphyry-related polymetallic veins formed late in the porphyry Cu systems under epithermal conditions (<375 °C), and occur in the periphery of …
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Sediment-hosted Zn–Pb–Cu deposits in the Central African Copperbelt
From the surface down to the ca. 1500 m level (Fig. 7, Fig. 8, Fig. 9) the pipe-like orebody is characterized by: (1) predominantly Cu-rich ores in shales and carbonates of the Katete Formation in the northern part of the deposit; (2) Zn–Cu-rich ores in carbonates of the Kipushi Formation; (3) Zn-rich ores at the base of the Kipushi Formation ...
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Mineralogical and geochemical characteristics of the Amensif Cu, Pb, Zn
Ore reserves are around 0.5 Mt and grades are 3.21% Zn, 0.58% Pb, 0.86% Cu with 83.31 ppm Ag and 0.41 ppm Au. Sulphide mineralizations occur as a local replacement of carbonate bars rocks.
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A giant porphyry-skarn-epithermal Mo-W-Cu-Zn-Pb-Ag …
Some researchers interpreted the Zn-Pb-Cu-Ag mineralization as ... and Lengshuibeigou epithermal Pb-Zn-Ag deposit. New geochronological data show that the Nannihu intrusion formed by at least two phases of magmatism including the granite porphyry (zircon U-Pb age of 145 ± 2 Ma) and the porphyritic monzogranite (zircon U-Pb ages of 142 ± 1 Ma ...
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(PDF) The Bou Madine Polymetallic Ore Deposit, Eastern Anti …
The Bou Madine Au–Ag–Pb–Zn ± Cu epithermal deposit in the Ougnat Pan-African inlier of the eastern Anti-Atlas occurs within the lower unit of the late Neoproterozoic Tamerzaga-Timrachine ...
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Ore and Gangue Minerals of the Hera Au-Pb-Zn-Ag Deposit, …
Pb-Zn-Ag deposit, Cobar Basin, gold, tetrahedrite, gudmundite, scheelite INTRODUCTION. The Hera . Au-Pb-Zn-Ag deposit is located 5 km southeast of Nymagee (a historic copper mining town) (Figure 1), central western New South Wales. Early exploration history of the Hera deposit dates to 1974 when the mineralised system containing the deposit was
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Assays up to 18.1 g/t Au, 2,380 g/t Ag, 16.55% Cu, 15.25% Pb, …
K2 Gold Corporation is a member of Discovery Group based in Vancouver, Canada. For more information please visit: discoverygroup.ca. Cautionary Statement on Forward-Looking Statements
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Improving gold recovery of Pb–Zn sulfide ore by selective
A new method to enhance gold recovery is proposed. Keywords Gold; Improving recovery; Pb–Zn sulfide ore; Selective activation; Organic acid 1 Introduction Auriferous sulfides and porphyry copper ores have signif-icant contributions to the gold production all over world [1]. Pre-treatment such as floatation, gravity concentration,
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Middle Triassic Cu–Pb–Zn Skarn mineralization in the …
In this study, we present new LA-ICPMS U–Pb ages and Sr–Nd–Hf isotopic compositions for granodiorite and diorite in the northern section of the Wulonggou gold ore …
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