Iron isotope fractionation during supergene weathering …
Fe isotope compositions of bulk samples from Gaosong ore deposit in Gejiu district, SW China were investigated and an overall variation in δ 56 Fe values from − 0.33‰ to + 0.20‰ has been observed. In this study, the δ 56 Fe values of primary sulfide ores are lower than the oxidized ores, while the iron isotope compositions of gossan samples, which represent highest …
China's gold mining industry: a story of growth
China's gold mining industry is one of the largest in the world – with growing influence both at home and abroad. Zhang Yongtao, Vice Chairman and Secretary General of the China Gold Association, suggests the industry could …
A GIS-based tool for the China National Mineral Resource …
First, we analysed the requirements for the tool; second, we developed the framework and functions; third, we discussed a CNMRAI project case study for identifying …
Ore Features and Gold Occurrence of the Manlonggou Gold …
Ore Features and Gold Occurrence of the Manlonggou Gold Deposit, Southeast Yunnan Province, China. Wufu Qi 1, Xianfeng Cheng 1, Qianrui Huang 1, Yu Liu 2, Shirong Ran 2 and Yanqiang Zhang 2. Published under licence by IOP Publishing Ltd
Sixty years of exploration geochemistry in China
Gold was excluded in the list of ... (EGMON) project which used nearly 500 floodplain samples to cover the whole of China (Cheng et al., 1997 ... scale exploration geochemistry have been planned in China including "Surface Geochemistry for Oil and Gas," "National Reconnaissance for Ore Tailing Dumps," "National Geochemical Survey and ...
Valence variation of arsenic in bioleaching process of arsenic …
Valence variation of arsenic in bioleaching process of arsenic-bearing gold ore CUI Ri-cheng( ), YANG Hong-ying( <" 8 ), CHEN Sen(L ), ZHANG Shuo( .)), LI Ke-feng( "/ ) School of Materials Science and Metallurgy, Northeastern University, Shenyang 110004, China Received 6 July 2009; accepted 25 December 2009 Abstract: The concentration and variational trend of …
Conditions and processes leading to large-scale gold
The gold deposits in the Jiaodong Peninsula constitute the largest gold mineralized province in China. The mineralization shows common characteristics in their tectonic setting, ore-forming fluid and metallogenic system. Sulfidation and fluid immiscibility are two important mechanisms controlling gold precipitation, both of which consume sulfur in the ore …
Genesis of the Wulong gold deposit, Liaoning Province, NE China …
Mesozoic gold deposits are the main source of gold production and are widely distributed along the margins of the North China Craton (NCC) (Li and Santosh, 2014, Yang and Santosh, 2015).The gold metallogeny has been correlated to the processes that resulted in the lithospheric destruction of the NCC (Yang and Santosh, 2020), spatially and temporally …
China National Gold Group | World Economic Forum
China National Gold Group is active in gold mining. Visit the China National Gold Group website. The World Economic Forum is an independent international organization committed to …
Emergy-based environmental accounting of gold ingot production in China
Results show that the emergy of per gram gold ore at the mine is 3.67E + 12 (3.6694E + 12) sej, in which the emergy of gold in the ground is the dominant contributor, with the value of 3.6693E + 12 sej. ... This study is funded by the National Natural Science Foundation of China [grant numbers 71690241, 71810107001, 71704104], ...
Ore Geology Reviews | Vol 155, April 2023
Special issue on Sedimentary ore deposits in China, Edited by Zou Hao, Hongfei Cheng, Pingchang Sun, Nuru Said and A.J. Tom Van Loon ... Origin and evolution of the ore-forming fluids of the Bajiazi gold deposit in the Jiapigou gold ore belt, NE China: Constraints from fluid inclusions, H-O-S isotopes, and pyrite trace element concentrations ...
Iron isotope fractionation during supergene weathering …
DOI: 10.1016/J.GR.2013.12.006 Corpus ID: 129082828; Iron isotope fractionation during supergene weathering process and its application to constrain ore genesis in Gaosong deposit, Gejiu district, SW China
Chinese gold miners 'illegally' tearing up Cambodian wildlife …
Leaching ponds at Late Cheng's gold mine in Prey Lang introduce toxic chemicals, pushing residents to avoid using water from the nearby rivers for fear of contamination.
CSH Gold Mine
Project Overview. A conventional open-pit, heap-leach, gold-mining operation. Mining a large, bulk-tonnage, low-grade gold deposit. Located in Inner Mongolia of China, approximately …
Ore Forming Fluids of Several Gold Deposits in the Irtysh Gold …
The source of ore forming minerals in western gold deposit is more closely related to magmatic activity, and the structural metamorphism of eastern gold deposit has greater influence on mineralization. ... This work was financially supported by the National Natural Science Foundation of China (Nos. 41372096, 41672070). ... Yingwei Wang, Jiuhua ...
China National Gold Group Corporation > Home
China National Gold Group Corporation ... China Gold is the only central enterprise in Chinese gold industry, as well as the chairman unit of China Gold Association and the only member unit of World Gold Council in China. Enterprise Culture.
Mapping of geological complexity and analyzing its …
The Guangxi gold ore province contains >370 gold deposits/occurrences with total resources of >260 t Au, which are mainly controlled by different lithology and structures, such as faults and lithologic contacts (He and Zheng, 2013).The gold ore province is thus suitable place to study the relationship between Au distribution and geological complexity.
Decrepitation Thermometry and Compositions of Fluid …
Data are listed in Table 2. The ranges of different geological bodies are from Zhao et al. (2005). Gold ore * Linglong granite ^ Luanjiahe granite Guojialing granodiorite -3.0 -2.5 -2.0 -1.5 -1.0 In (CHVCOi) -0.5 Figure 5. ... thereby suggesting a great potential in the future. ACKNOWLEDGMENTS This work was financially supported by the National ...
Decrepitation Thermometry and Compositions of Fluid …
Origin and evolution of ore fluid, and gold-deposition processes at the giant Taishang gold deposit, Jiaodong Peninsula, eastern China ... China's largest gold resource is located in the highly endowed northwestern part of the Jiaodong gold province. ... This study was supported by the National Natural Science Foundation of China (Nos. 40672064 ...
China National Gold Group Corporation > Introduction > …
China National Gold Group Corporation (hereinafter referred to as China Gold) is the only central state-owned enterprise in China's gold industry under supervision of State-owned Assets …
China National Gold to maintain focus on securing …
China National Gold Group Corp, the only state-owned enterprise in China's gold industry, will maintain a strong focus on securing strategic mineral resources and stands prepared to...
Origin and Evolution of Ore Fluid in the Wang'ershan Gold …
Origin and Evolution of Ore Fluid in the Wang'ershan Gold Deposit, Jiaodong, China. Linnan GUO, Linnan GUO. State Key Laboratory of Geological Process and Mineral Resources, China University of Geosciences, Beijing 100083 China ... The 14 th Quadrennial International Association on the Genesis of Ore Deposits Symposium. August 19–22, 2014 ...
Assessment of the ore-forming process of the Gejiu tin …
The Gejiu tin district of southern China is the largest tin–polymetallic ore district in the world. Even though the mining operation has lasted more than 2000 years in this area, the metallogenic mechanism of this gigantic tin mineralization is still controversial. ... (Cheng et al., 2013). The ore of quartz vein-type is mostly distributing ...
The Zaozigou orogenic gold-antimony deposit, West Qinling Orogen, China
Orogenic gold deposits are generally thought to represent one perhaps protracted event. However, recent research on orogenic gold deposits ... Geological Research Institute of Shandong Gold Group Co., Ltd., Jinan 250013, China ... State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang ...
China National Gold Group Corporation > Home
China Gold is the only central enterprise in Chinese gold industry, as well as the chairman unit of China Gold Association and the only member unit of World Gold Council in China.
Carbonatites in China: A review for genesis and mineralization
Carbonatites are commonly related to the accumulation of economically valuable substances such as REE, Cu, and P. The debate over the origin of carbonatites and their relationship to associated silicate rocks has been ongoing for about 45 years. Worldwide, the rocks characteristically display more geochemical enrichments in Ba, Sr and REE than sedimentary carbonate rocks. …
Contribution of Precambrian basements to the Mesozoic ore …
The orogenic gold deposits hosted in metamorphic terranes over geologic time, account for significant gold resources worldwide (Groves et al., 1998, Goldfarb et al., 2005, Phillips and Powell, 2009, Wyman et al., 2016).The formation of most orogenic gold deposits is generally related to coeval late-metamorphism and deformation of regional supracrustal rocks, …
Sources and Ore-Forming Environment of the Jinchanghe Pb …
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 …
Mineral Deposits of China
Tungsten and Sn deposits in China are widely distributed in the South China block (i.e., Yangtze craton-Cathaysian block), Himalaya, Tibetan, San ... Shunda Yuan, Zhenhua Zhou, Wei Zheng, Huan Liu, Peng Liu, Yanbo Cheng, Maohong Chen, 2019. "Chapter 10 Geology and Metallogeny of Tungsten and Tin Deposits in China", Mineral Deposits of China ...
Ore Features and Gold Occurrence of the Manlonggou Gold …
The Yunnan-Guizhou-Guangxi "Golden Triangle" is one of the famous Carlin-type gold deposits in China and even in the world. Manlonggou gold deposit is a newly discovered gold deposit in this area.