Application of Fractal Statistics of Linear Structure and Alteration Information Extraction of Remote Sensing on the Au, Pb, Zn, Sn Polymetallic Minerogenetic Prognosis in Eastern Guangxi
详细信息
- 责任者：Zhao Shaojie (College of Earth Science ; Guilin University of Technology ; Guilin 541004 ; China) ; Qian Jianping
- 刊名：Geotectonica et Metallogenia
- 出版年：2011
- 卷期：35(3)
- 关键词：线性构造 ; lineaments ; 金矿 ; gold ores ; 铅锌矿床 ; lead-zinc deposit ; 锡矿 ; tin ores ; 多金属矿 ; polymetallic ores ; 遥感 ; remote sensing ; 广西 ; Guangxi
- 页码：p.364-371
- 图表：7 illus., 4 tables, 13 refs.
- 分类号：1001
- 出版序号：1784
- issnNo：ISSN1001-1552
- isbnNo：CN44-1595/P
摘要
Based on the fusion of band 742 of ETM+ remote sensing image in the eastern Guangxi,the linear and circular structures were interpreted.The linear structures were analyzed quantitatively using the principle and method of fractal geometry.The fractal dimension values of linear structure were calculated by the box-counting dimension,and the linear structures showed good statistical self-similarity and fractal characteristics in this area. The results show that the circular structure and linear structure concentration areas are basically coincide with iron and hydroxyl alteration and geochemical anomalies spatially,and have the characteristic of lattice distribution in NE and NW.The strong structural deformation belt with fractal dimension values(1.4～1.85) of linear structure is favorable metallogenic region.Based on comprehensive analysis for the fractal dimension values,anomalies of alteration information,regional geological and geochemical information,and the known ore occurrences(deposits),three orders of metallogenetic prospective areas are proposed,which include three first,two secondary,and three tertiary order metallogenic prospect areas.
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