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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Roasting the ore at 650 °C and subsequent leaching in boiling 20% HCl provides <84% of Zn, Cu, Pb, and Fe to the solution and leaves the gold in the residue. A high gold …
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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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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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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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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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Cu (%) Pb (%) Zn (%) Sunset Mine: G777523: 13.3: 2260: 3.85: 0.387: 0.0806: G777622: 8.13: 2380: 3.02: 0.473: 0.233: ... and Zn-OG62, which are aqua regia digests with ore grade ICP finishes. About K2 Gold. K2 is a proud member of Discovery Group and currently has three projects in Southwest USA and the Yukon. The Si2 Gold Project is located in ...
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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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The northern east of Algeria represents the most important metallogenic zone for Pb-Zn-Fe-Ba (Cu, F, Sr) ore-deposits. The mineral association consists of galena, sphalerite, barite, and celestite ...
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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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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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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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A giant porphyry-skarn-epithermal Mo-W-Cu-Zn-Pb-Ag metallogenic system in the Nannihu ore field, southern North China Craton: Constraints from new geochronological and pyrite geochemical data
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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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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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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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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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To address this issue, we introduce new structural data, fault–slip data analysis, and information on epithermal Ag–Pb–Zn–Au mineralization.
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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 undergone minor erosion, …
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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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@article{Peng2023NewIO, title={New Insights on the formation of the Jingchong Cu-Co-Pb-Zn deposit, South China: Evidence from sphalerite mineralogy and muscovite 40Ar-39Ar dating}, author={Erke Peng and Jochen Kolb and Benjamin F. Walter and Max Frenzel and Clifford Georges Charles Patten and Deru Xu and Yufei Wang and Jing Gan and Aratz ...
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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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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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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
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Accumulation of Pb-Zn-Cu at Tiemurt experienced Devonian subduction and Permian-Triassic continental collision. The Tiemurt Pb-Zn-Cu deposit (metal reserve: 0.29 Mt …
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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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The southern North China Craton owns substantial Mo, W, Zn, Pb, Cu, and Ag resources, and most of them are hosted in hydrothermal deposits that may co-exist in the same ore field. However, the relationship between the different types of deposits is not well-constrained. To better understand this, here we present a comprehensive geological, geochronological, and pyrite …
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The Jinchanghe Pb-Zn polymetallic deposit is a representative distal skarn deposit in the Baoshan block. Due to limited research on the sources of ore-forming metals and trace elemental geochemistry of sulfides, the sources and mineralization environments of the Jinchanghe skarn Pb-Zn polymetallic deposit are still controversial. In this study, copper and …
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Here, we report Rb-Sr age of sphalerite and pyrite from the massive sulfide Ag-Pb-Zn-(Cu) ores, zircon U-Pb age for the granite porphyry, C-O isotopes of hydrothermal calcite, and S-Zn isotopes of ...
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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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