LI Wen-yuan, TANG Zhong-li, ZHANG Zhao-wei, GAO Yong-bao, ZANG Yu-shi. The Concept of Mineralization of the Small Rock Mass and Prospecting Significance[J]. Northwestern Geology, 2012, 45(4): 61-68.
Citation: |
LI Wen-yuan, TANG Zhong-li, ZHANG Zhao-wei, GAO Yong-bao, ZANG Yu-shi. The Concept of Mineralization of the Small Rock Mass and Prospecting Significance[J]. Northwestern Geology, 2012, 45(4): 61-68.
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The Concept of Mineralization of the Small Rock Mass and Prospecting Significance
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Key laboratory for the study of Focused Magmatism and Giant Ore Deposits, MLR, Xi'an Institute of Geology and Mineral Resources, Xi'an 710054, China
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College of Earth Science and Land Resources, Chang'an University, Xi'an 710054, China
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Abstract
The mineralization of the small rock mass is a new academic concept proposed through the exploration and research of metallic sulfide deposit with the magmatic activity by Tang Zhongli,which is a popular characteristic in endogenic magmatic deposits,it is also a key to reveal the principle of metallogenesis for our ore-prospecting work.Here is a new definition and classification have been put forward based on years' studies,including magmatic liquation and magmatic hydrotherrnal.The first tapy was composed of sulfide segregation and oxide segregation; second one was formed with water-hydrothermal metasomatism、filling metasomatism and contact metasomatism.There are four mechanism of mineralization of the small rock mass: deep segregation model,magma conduit model、pulse model and hydrothermal pulse model.Discussed oxygenisotopic composition of hidden and half-concealed igneous rocks and the key factor of discretion in ore-bearing potential of the small rock mass.
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