在ArcGIS栅格数据环境下的综合信息成矿预测  

The application of ArcGIS in metallogenic prediction using synthetical information

作　　者：张会琼 张寿庭[2] 韦昌山[3] 王京彬[4] 王玉往[4] 

机构地区：[1]中色地科矿产勘查股份有限公司,北京100012 [2]中国地质大学(北京),北京100083 [3]中国地质科学院地质力学所,北京100081 [4]有色金属矿产地质调查中心,北京100012

出　　处：《矿产勘查》2010年第2期165-172,共8页Mineral Exploration

基　　金：全国危机矿山接替资源找矿项目(编号:200645051)资助

摘　　要：探索有效的成矿预测方法,一直是矿产勘查领域的前沿与热点,近年来基于GIS综合信息成矿预测受到国内外地质学者所关注。文章以广西佛子冲铅锌矿田为例,尝试在大比例尺范围内,以已知矿体与地、物、化信息的空间相关性作为预测依据,从地质背景出发,对研究区已有地、物、化等多源信息进行综合分析.基于ArcGIS空间分析模块,在栅格数据环境下建立空间数据库,进行二次信息提取,以及依据专家打分模型、权重计算等数学方法,进行适宜性分析,获得适宜成矿靶区3处。该方法的科学性及有效性通过之后的钻探工作得到了验证。Exploring effective mineralization prediction method always is the frontier and hot field for mineral exploration. In recent years, metaUogenic prediction using synthetical information on the base of GIS have been concerned by geologists at home and abroad. Using the space relevance of the existing geological, geophysical, geochemical and other information of known ore deposits as prediction basis, this paper tries to comprehensively analyze the information above in large - scale area, taking the case history of Foziehong Pb - Zn ore - field in Guangxi. Based on the spatial analysis module of ArcGIS, I establish the database and do a second information extraction in the raster data environment. In addition, on the basis of expert scoring models, the weight calculation mathematical methods, I get three target mineralization areas after carrying out suitability analysis which has been successfully verified by the following drilling work.

关 键 词：栅格数据环境 地质变量 预测模型 

分 类 号：P612[天文地球—矿床学]