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heqing beiya gold mine

  • Bijiashan Mine, Beiya Au-Cu ore field, Heqing County, Dali,

    Bijiashan Mine, Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China : Vein-type gold deposit, hosted in feldspathic sandstone, argillite, siltstone and shale.

  • Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China

    Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China : Gold-copper-polymetallic ore bodies, hosted in Triassic limestones and shale and Quartenary sediments around alkaline porphyries and Permian basalts. A porphyry-skarn deposit type. The third largest

  • Wandongshan Mine, Beiya Au-Cu ore field, Heqing County,

    Wandongshan Mine, Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China : Porphyry-style Cu-Au and magmatic Fe-Au ore bodies. The Cu-Au ore bodies are hosted in quartz-albite porphyry intrusions. Ores consist of quartz-sulphide veinlets in the upper parts and disseminated

  • China’s Other Billion: Gold Mining’s Littlest Victims in Beiya,

    Gold rush. The two ancient The government of Heqing County, where Beiya is located, Some residents of Beiya are convinced it was this mine that caused the lead poisoning.

  • Chinese mining seeks investors Business

    Beiya mine, where gold and other minerals are dug up in Heqing county in Yunnan, is just one of the main areas operated by the Yunnan Gold and Mineral Group and

  • Heqing County, Dali, Yunnan, China

    Wandongshan Mine, Beiya Au-Cu ore field, Heqing County, Dali, Yunnan, China Hongnitang Mine, Beiya Au-Cu ore field, Heqing County, Dali, Guo-Chen Dong, and Xiong-Fei Huang (2015) The Geology and Mineralogy of the Beiya Skarn Gold Deposit in Yunnan, Southwest China. Economic Geology 110:1625-1641

  • Chinese mining seeks investors China.org.cn

    Beiya mine, where gold and other minerals are dug up in Heqing county in Yunnan, is just one of the main areas operated by the Yunnan Gold and Mineral Group and

  • Concealed porphyry delineation based on nonlinear three

    2019. 9. 1.· Simultaneously, we consider the Beiya gold mine in Yunnan as an example. The nonlinear 3D density-difference inversion technology, which is restricted by geological information, is explored to obtain the 3D density body structure below 5 km in the mine area, and the 3D structure of the deep and concealed rock masses are obtained using the density constraints of the intermediate-acid-complex

  • 云南某金矿氰化尾渣中铁回收工艺改进试验研究-Experimental

    Heqing Beiya Mining Co,Ltd,Yunnan Gold Mining Group 引用文本: 龚明辉,汪勇,高起方,尹福兴,聂祖明.云南某金矿氰化尾渣中铁回收工艺改进试验研究[J].矿冶,2019,28(2):.

  • LOCATING OF CONCEALED SKARN IRON ORE DEPOSIT BASED ON

    2020. 7. 2.· LOCATING OF CONCEALED SKARN IRON ORE DEPOSIT BASED ON MULTIVARIATE INFORMATION CONSTRAINTS: A CASE STUDY OF BEIYA GOLD MINE IN YUNNAN PROVINCE: WANG Qiao 1,2, WANG Xu-Ben 3, YANG Jian 2, MIN Gang 3, GUO Jing 2: 1 Institute of Geophysics, Chengdu University of Technology, Chengdu 610059, China;

  • Gold in southwest China Heidelberg University

    A handful of gold mines are known, but these were relatively small exploitations. We therefore pay attention to gold mining mainly where it was co-exploited alongside other metals, such as at the Beiya 北衙 Mines in Heqing 鹤庆.

  • Delineation and explanation of geochemical anomalies

    The Heqing area, located in the Sanjiang ore belt, China, consists of the Beiya gold orefield related to the alkaline porphyry, the Emeishan volcanic mafic rocks and a series of sedimentary rocks

  • Timing of skarn gold deposition in the giant Beiya

    2019. 3. 1.· Robust dating of hydrothermal deposits is critical to understand ore genesis, which depends on judicious selection of mineralization-related chronometers, especially for complex polymetallic mineral systems. The Beiya deposit in southwest China is a world-class polymetallic gold system (11.9 Moz Au at a grade of 2.52 g/t) and the main mineralization is considered as skarn-type.

  • LOCATING OF CONCEALED SKARN IRON ORE DEPOSIT BASED ON

    2020. 7. 2.· LOCATING OF CONCEALED SKARN IRON ORE DEPOSIT BASED ON MULTIVARIATE INFORMATION CONSTRAINTS: A CASE STUDY OF BEIYA GOLD MINE IN YUNNAN PROVINCE: WANG Qiao 1,2, WANG Xu-Ben 3, YANG Jian 2, MIN Gang 3, GUO Jing 2: 1 Institute of Geophysics, Chengdu University of Technology, Chengdu 610059, China;

  • The geology and mineralogy of the Beiya skarn gold

    The Beiya skarn gold deposit is located in the eastern Tethyan orogenic belt in western Yunnan province,China. It is one of the largest gold deposits in China, with significant amounts of silver

  • Formation of Au-polymetallic ore deposits in alkaline

    2016. 3. 1.· The Beiya gold deposit is located in Heqing County in Yunnan Province, SW China, between the Qinghai–Tibet plateau and the Yangtze plate ().The deposit and associated alkaline porphyries are hosted in stratigraphy belonging to the upper Permian Emeishan Formation, the lower Triassic Qingtianbao Formation, the middle Triassic Beiya Formation, the upper Triassic Zhongwo

  • Metallogenic setting and ore genetic model for the Beiya

    2017. 6. 1.· 1. Introduction. Recent exploration conducted by Yunnan Gold & Mineral Group Co., Ltd in the Beiya orefield in western Yunnan province, southwest China, indicates that has proven reserves of more than 370 tonnes (t) Au at an average grade of 2.52 g/t Au, approx. 200 million t Fe at an average grade of 33.92% TFe (total iron), 0.8 million t Cu at an average grade of 0.61% Cu, 1.55 million t Pb

  • Dali, Yunnan, China Mindat.org

    Dali, Yunnan, China : Reference: Bilun Luo (1979): Geology and Prospecting 15(3), 11-15; Min Liu (2002): Multipurpose Utilization of Mineral Resources 10(5), 28-32; Huanbin Song, Mingqin He, Shangzhong Zhang, and Fenghuang Yi (2008): Chinese Journal of Geochemistry 27, 104-108; Shengwei Wang, Xiaoming Sun, Zhenwen Liao, Bangguo Zhou, Maojin Luo, Yang Guo, Xiaofang Jiang,

  • The alkaline porphyry associated Yao’an gold deposit,

    The Yao’an vein-type gold deposit is located in the Ailaoshan-Jinshajiang alkaline intrusive belt, Yunnan Province, China, and is associated both in time and space with 33.5±1.0-Ma-old alkaline intrusions. The gold mineralization is associated with potassic wall-rock alteration. The REE distribution patterns of secondary K-feldspar are generally similar to those of the igneous perthite but

  • Project Environments, people and mining Fieldwork reports

    Beiya qiankuang gongsi 北衙铅矿公司, 1988. Beiya qiankuang zhi 北衙铅矿志 (Gazetteer of the Beiya Lead Mines). Beiya: Company publication. Brinckman, Jörn, and Carsten Hinze. 1981. “On the Geography of the Bowdwin Lead-Zinc Mine, North Shan state, Burma.” Geologisches Jahrbuch 34: 7-45. Brown, J. Coggin. 1917.

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