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DONG Qing-ji, XIAO Ke-yan, CHEN Jian-ping, CONG Yuan. 2010: he quantitative analysis of regional metallogenic fault in the northern segment of the Sanjiang metallogenic belt, southwestern China. Geological Bulletin of China, 29(10): 1479-1485. DOI: 10.12097/gbc.20101009
Citation: DONG Qing-ji, XIAO Ke-yan, CHEN Jian-ping, CONG Yuan. 2010: he quantitative analysis of regional metallogenic fault in the northern segment of the Sanjiang metallogenic belt, southwestern China. Geological Bulletin of China, 29(10): 1479-1485. DOI: 10.12097/gbc.20101009
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he quantitative analysis of regional metallogenic fault in the northern segment of the Sanjiang metallogenic belt, southwestern China

  • Institute of Mineral Resources，Chinese Academy of Geological Sciences，Beijing 100037，China;2. Institute of Land Resources and High Techniques，China University of Geosciences，Beijing 100083，China;3. Beijing Key Laboratory of Research and Exploration Information of Land Resources，China University of Geosciences，Beijing 100083，China

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  • The northern segment of the Sanjiang metallogenic belt is the north-extension part of the Sanjiang copper polymetallic super-large metallogenic belt, which is one of the most important part of Tethys-Himalaya metallogenic domain on structure, of which with favorable regional metallogenic conditions. The porphyry copper (molybdenum) deposits and lead-zinc deposits are mainly deposits in the Sanjiang metallogenic belt. The mineralization is mainly controlled by fault structures. So the quantitative analysis of metallogenic faults is the most important to point out the regional prospecting direction. The authors used fault structure iso-density, centre symmetry of fault structure, advantageous of fault structure, intersection site of fault structure, fault structure frequency and so on to analysis regional faults quantitatively on GIS techniques flat, and to extract regional main faults and second-order faults. The research results of regional mineralization characteristics show that the deposits have the characteristics of zonal distribution along the regional main faults, and the main deposits mainly occur in the development area of second-order faults. The research results of quantitative analysis show that the high value anomaly area of which between two main ore clustering areas, namely Zhaqing zone is the favorable orientation in the future in study area.
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