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Spatial coupling relationship between faults and gold …
In the past decade, major breakthroughs have been made in deep prospecting in the Jiaodong Peninsula, the most important area of concentrated gold ore China. Proven gold resources exceeding 5000 t make it the third largest gold ore province in the world and a natural laboratory for researching the regularity of gold concentration and ...
LA-ICP-MS zircon U-Pb dating of granite porphyry and …
Chromium-bearing micas or chromian sericite can be found in many gold deposits related to metamorphic-hydrothermal type gold deposit, such as the orogenic gold deposit in Zhenyuan of Yunnan (Li et al., 2019), the fold belt in Southern Ural of Russia (Elena V. Belogub et al., 2017; Olga V. Vikent'eva et al., 2017), Jianchaling superlarge ...
Original Factory Small Portable Gold Nickel Granite Ore …
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Hydrothermal Alteration Processes of Xincheng Gold …
Delineating the process of hydrothermal alteration is crucial for effectively enhancing exploration strategies and better understanding the gold mineralization process. Rutile, with its capacity to accommodate a wide range of trace elements including high-field-strength elements and base metals, serves as a reliable fluid tracer in ore systems. As one of the most …
Granite-related ore deposits: an introduction
Around twenty oral presentations were given and forty posters were presented at the meeting; the 60 papers were grouped according to the current main granite-related ore systems, as follows; granite-pegmatite, skarn and greisen-veins, porphyry, orogenic gold, intrusion-related, epithermal and porphyry-related gold and base metal, iron oxide ...
Granitic magmatism associated with gold mineralization: …
The Baizhangzi gold deposit, located in the northern margin of the North China Craton, is hosted by the Baizhangzi granite (BZG) and provides a case to evaluate the relation between granite …
Whole-rock and biotite geochemistry of granites from the …
These peralkaline magmatic rocks usually show an affinity of A1-type granites (Cuney, 2009, 2014). The South China Uranium Province contains significant uranium resources in China, and granite-related uranium deposits are one of the most important types of uranium deposits in this region (Dahlkamp, 2009; Zhang et al., 2020a; Zhang et al., 2021a).
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Geology and genesis of the Qi191 granite-hosted gold …
The Qi191 Au deposit is a newly discovered granite-hosted Au deposit in the Qiyugou Au orefield, located in the southern margin of the North China Craton (NCC). Gold ore bodies are hosted by both the Qi191 hornblende monzogranite and the Taihua Complex and are composed of disseminations and sparse veins. K-feldspar, quartz-sericite, and sericite-chlorite …
Ore
An ore (or ore deposit) is a volume of rock containing valuable minerals that occur at sufficiently high concentrations for profitable mining, transportation, milling, and processing.If the body of mineralization is of too low a grade or tonnage, or the desired mineral is technically too difficult to extract, then the deposit is not called an ore.
Mesozoic Orogenic Gold Mineralization in the Jiaodong Peninsula, China
The Jiaodong gold province in the eastern North China craton contains proven gold reserves of more than 5000 tons, being the largest gold producer in China and one of the largest gold provinces in ...
Granite-related Ore Deposits
This volume brings together a collection of papers that summarize current ideas and recent progress in the study of granite-related mineralization systems. They provide a combination of field, experimental and theoretical studies. Papers are grouped according to the main granite-related ore systems: granite-pegmatite, skarn and greisen-veins, porphyry, orogenic gold, …
Geochemistry and geochronology of zircons from granite-hosted gold
Request PDF | Geochemistry and geochronology of zircons from granite-hosted gold mineralization in the Jiaodong Peninsula, North China: Implications for ore genesis | Large-scale quart-vein and ...
Geochemistry and geochronology of zircons from granite-hosted gold
The Jiaodong gold province, located at the eastern margin of the North China Craton (NCC) and covering a major portion of the Jiaodong Peninsula (Li and Santosh, 2017, Deng et al., 2018, Yang et al., 2018), is the most important gold-producing district in China with more than 150 known deposits and proven gold reserves of about 4000 t (Yang et al., 2014a, …
Geochronology and Geochemistry of the Granite Porphyry …
The Zhashui-Shanyang ore cluster area is one of the most important gold polymetallic ones in northwestern China. The Qinglingou gold deposit is a newly discovered …
Formation of tin ore deposits: A reassessment
About 90% of the historic hard-rock and alluvial tin production is related to primary tin ore deposits ≤350 Ma in age. This is a situation similar to and even more pronounced in molybdenum porphyries, copper porphyries and epithermal Au Ag ore systems, and results from the dominant geotectonic setting in active continental margins with relatively limited survival …
Magnetite as an indicator of granite fertility and gold …
Introduction. The Mesozoic gold mineralization in China includes some of the world class deposits and have been the focus of several investigations related to genetic classification, tectonic correlations and source of metals (e.g., Yang and Santosh, 2019, Li and Santosh, 2017, Deng and Wang, 2016, Groves et al., 2016, and references therein).
Geochemistry and geochronology of zircons from granite-hosted gold
Semantic Scholar extracted view of "Geochemistry and geochronology of zircons from granite-hosted gold mineralization in the Jiaodong Peninsula, North China: Implications for ore genesis" by Huan Li et al. ... Ore‐forming process of the Haigou gold deposit in the eastern Central Asian Orogenic Belt, NE China: Constrains from EPMA and LA‐ICP ...
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Constraints on granite-related uranium mineralization in the …
The Sanjiu uranium ore field, located in the central of Zhuguangshan granitic batholith, is a newly discovered granite-related uranium ore field in South China. The main sulfide in the ore field is pyrite, which is closely related to uranium mineralization. The textures, major and trace elements, S–He–Ar isotopes compositions of pyrites in ores of different grade were …
Gold source and ore-forming process of the Linglong gold …
The Qiyugou Au deposit, located in the Xiong'ershan ore cluster of central China, consists of breccia pipe hosted Au ore bodies (>60 t Au) and newly discovered porphyry ore body (8 t Au).
(PDF) Granite-Related Ore Deposits
In order to study this key scientific issue and the ore-forming processes of the Zoige uranium ore field, the LA-ICP-MS zircon U-Pb dating of magmatic rocks was obtained: 64.08±0.59 Ma for the ...
Granite-related ore depositsan introduction
Around twenty oral presentations were given and forty posters were presented at the meeting; the 60 papers were grouped according to the current main granite-related ore systems, as follows; granite-pegmatite, skarn and greisen-veins, porphyry, orogenic gold, intrusion-related, epithermal and porphyry-related gold and base metal, iron oxide ...
Gold occurrence and pyrite trace elements in the Xiejiagou gold …
The petrographie, microthermometric and laser Raman microspectroscopic studies on fluid inclusions developed in auriferous ore of Jinfing gold deposit, Shandong Province, were carried out The ...
Geological and isotopic constraints on ore genesis, Huangjindong gold
It was characterized by multistage magmatism, deformation, metamorphism, and gold events (Figs. 1, 2;Pirajno and Bagas, 2002;Wang et al., 2013; and hosts more than 250 gold deposits and ...
Gold mineralization in China: Metallogenic provinces, deposit types …
Three types of Au ore are documented, including the quartz vein type, altered rock type, and breccia type. The Au ores are characterized by crustiform texture, showing an open-space filling process. Ore minerals mainly include pyrite, arsenopyrite, sphalerite, chalcopyrite, and galena. Gold occurs mainly as electrum with minor native gold.
Hydrothermal alteration associated with Mesozoic granite-hosted gold
The Jiaodong Peninsula is currently the most important gold province in China, with a total gold ore reserve of 1300 t (Li et al., 2007).It is located along the southeastern margin of the North China Craton (NCC), which is the largest and oldest (2.5–3.8 Ga) craton in China (Zhai and Santosh, 2011, and references therein).Mesozoic granitoids, occupying > 50% of the …
Lithium and oxygen isotopic constraints on the source and …
Carlin-type gold deposits are among the most important gold-bearing hydrothermal ore systems and are mainly located in Nevada, USA, and southwestern China. However, the source and evolution of the ore-forming fluids for these deposits remain controversial, especially those found within China. In this study, lithium and oxygen isotopic …