Comprehensive Information Metallogenic Prospecting on Micro-Disseminated Gold Deposits in Northwest Guangxi——A Case from Leye Uplift Zone
详细信息
- 责任者：Fu Wei (Guangxi Key Laboratory of Hidden Metallic Ore Deposits Exploration ; College of Earth Sciences ; Guilin University of Technology ; Guilin 541004 ; China) ; Guo Wei
- 刊名：Journal of Guilin University of Technology
- 出版年：2013
- 卷期：33(1)
- 关键词：金矿 ; gold ores ; 综合信息法 ; integration information methods ; 广西 ; Guangxi Province
- 页码：p.7-13
- 图表：illus., 1 table, 18 refs.
- 分类号：1001
- issnNo：ISSN1674-9057
- isbnNo：CN45-1375/N
摘要
The micro-disseminated gold deposits are widely formed in Northwest Guangxi,part of the Yunnan-Guizhou-Guangxi Golden Triangle and famous for current scientific research and mineral exploration.In the Youjiang basin,the gold deposits are dominantly distributed around the edge zone of many isolated or overlapping uplifts.Based on the regional metallogenic regularities,a typical study on Leye uplift area is carried out for the comprehensive information metallogenic prospecting.By analyzing the ore-forming geological background and typical ore deposits,the spatial relationships are studied between the ore deposits with regional geology,geochemical exploration and remote sensing data,and eight variables extracted as effective ore-forming information including the Baifeng formation,stratigraphic combination entropy,fault density,ore-controlling fracture,edge zone of uplift,Au geochemical anomalies,remote sensing linear structure and ring structures to construct a comprehensive information prospecting model.By calculating the posteriori probability in the grid unit(1.55 km×1.55 km),and evaluating the classification with the maximum and minimum values 4 level grading method,three level metallogenic prospective areas are distinguished.The results show that three districts have good prospecting potential along the Leye country-Gantian town-Langping,Longche-Pingshan and Huaping-Mazhuang.
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