GIS矿床定量综合预测在川滇黔接壤区铅锌多金属矿化域的应用
Contributions to Geology and Mineral Resources Research（2014）
Abstract
运用GIS矿床定量综合预测方法,在川滇黔接壤区铅锌多金属矿化域选取断裂、赋矿层位、地层组合关系、线环构造、构造复杂程度等控矿因素作为预测信息,提取找矿信息量,圈定和优选找矿靶区.以3 000 m×3 000 m作为基本统计单元格,选取NE向断裂、次级断裂构造、多个有利赋矿层位、线环构造交汇部分等控矿因素,提取变量信息,分析变量信息特征及变量计算结果优选找矿信息,通过分析单元信息量单元频数曲线,以横坐标1.3为临界值划分铅锌多金属矿床预测靶区,共划分出Ⅰ级靶区5个,Ⅱ级靶区6个,Ⅲ级靶区4个.
MoreKey words
border area of Sichuan,Yunnan and Guizhou provinces,Pb-Zn metallogenic province,GIS-based quantitative comprehensive prediction of mineral deposit
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