LIU Yuegao, ZHANG Jiangwei, FENG Zhixing, YANG Shunlong, WANG Yizhong, LI Jiqing, ZHAO Zhiyi, WANG Zhian, LI Shulei, CHEN Zhengguo, WANG Houfang. Exploration and research progress of magmatic copper-nickel-cobalt sulfide deposits in the north-eastern margin of the Qinghai-Tibetan Plateau[J]. GEOLOGY IN CHINA. DOI: 10.12029/gc20230128003
Citation:
LIU Yuegao, ZHANG Jiangwei, FENG Zhixing, YANG Shunlong, WANG Yizhong, LI Jiqing, ZHAO Zhiyi, WANG Zhian, LI Shulei, CHEN Zhengguo, WANG Houfang. Exploration and research progress of magmatic copper-nickel-cobalt sulfide deposits in the north-eastern margin of the Qinghai-Tibetan Plateau[J]. GEOLOGY IN CHINA. DOI: 10.12029/gc20230128003
LIU Yuegao, ZHANG Jiangwei, FENG Zhixing, YANG Shunlong, WANG Yizhong, LI Jiqing, ZHAO Zhiyi, WANG Zhian, LI Shulei, CHEN Zhengguo, WANG Houfang. Exploration and research progress of magmatic copper-nickel-cobalt sulfide deposits in the north-eastern margin of the Qinghai-Tibetan Plateau[J]. GEOLOGY IN CHINA. DOI: 10.12029/gc20230128003
Citation:
LIU Yuegao, ZHANG Jiangwei, FENG Zhixing, YANG Shunlong, WANG Yizhong, LI Jiqing, ZHAO Zhiyi, WANG Zhian, LI Shulei, CHEN Zhengguo, WANG Houfang. Exploration and research progress of magmatic copper-nickel-cobalt sulfide deposits in the north-eastern margin of the Qinghai-Tibetan Plateau[J]. GEOLOGY IN CHINA. DOI: 10.12029/gc20230128003
1. Institute of Deep-sea Science and Engineering, Chinese Academy of Sciences, Sanya 572000, China;
2. Key Laboratory for the Study of Focused Magmatism and Giant Ore Deposits, Ministry of Natural Resources, Xi'an Center of Geological Survey, China Geological Survey, Xi'an 710054, China;
3. Western Mining Group Co., Ltd., Xining 810001, China;
4. The third Nonferrous Geological Exploration Institute of Qinghai Province, Xining 811601, Qinghai, China;
5. Sino Shaanxi Nuclear Industry Group, Xi'an 710100, China;
6. Qinghai Geological Survey Institute, Key Laboratory of Geological Process and Mineral Resources in the Northern Part of Qinghai Tibet Plateau, Xining 810012;
7. The Fifth Geological and Mineral Survey Institute of Qinghai Province;
8. Xianyang 712 General Co., Ltd. of Northwest Nonferrous Geological Prospecting Bureau, Xianyang 712000, China;
9. The Third Geological Branch, Xinjiang Geological and Mineral Bureau, Kuerle, 841000, China
Funds:
Supported by the Projects of Sanya Yazhou Bay Science and Technology City of Hainan Province (2021CXLH0027) and National Key Research and Development Project (2019YFC0605201).
[Objective] To improve the supply security of Cu-Ni-Co resources in China, it is necessary to sort out the mineralization regularity and prospecting indicators of the magmatic copper-nickel-cobalt sulfide deposit in the Phanerozoic in the Eastern Kunlun orogenic belt on the northern margin of the Qinghai-Tibet Plateau. [Methods]The geological, geochronology, geochemistry, and geophysical characteristics of five stages mafic-ultramafic complexes including the Late Ordovician-Early Silurian, the Middle Silurian-Middle Devonian, the Early Carboniferous, the Middle Permian-Early Triassic, and the Middle-Late Triassic are summarized. [Results] Based on the above work, the source area properties of magmatic copper-nickel deposits and their relationship with the highpressure-ultrahighpressure eclogite and the evolution of Proto-Paleo Tethys were discussed. The influence of crustal sulfur contamination and crystal differentiation on sulfide saturation was analyzed. The rules of the optimal location of copper-nickel ore bodies were summarized. The typical differences between the ore-forming mafic-ultramafic complexes and the no-ore mafic-ultramafic complexes were described. [Conclusions] At last, a comprehensive information exploration model was established.
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