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| 基金项目：“十二五”国家支撑计划课题（2011BAB06B08 2），中国地质调查局地质大调查项目（12120113089100，1212011120986） |
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| 摘要： |
| 基于GIS空间分析技术，以MORPAS为平台，建立浙西北热液型铅锌银多金属矿多元空间数据库，在对本地区铅锌银多金属成矿规律研究的基础上，运用数理化的手段对与本地区成矿有关的地层、构造、岩浆岩、地球物理、地球化学等多元数据进行量化、分析建立本地区的找矿概念模型，利用证据权的方法进行成矿定量预测。通过分析,发现浙西北热液型铅锌银多金属矿与本地区的地层、岩浆、褶皱、断裂、重力、地球化学数据及其衍生变量具有密切关系。根据计算出的成矿有利度及其等值线图将研究区划分为18个靶区、2个成矿远景区。 |
| 关键词：热液型 铅锌银多金属 证据权法 MORPAS软件 定量预测 浙西北 |
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| Abstract: |
| Multivariate spatial geo-database of Pb-Zn-Ag polymetallic ore deposits of hydrothermal type in northwestern Zhejiang Province was established with MORPAS platform based on GIS spatial analysis technology. Based on the study of metallogenic rules for Pb-Zn-Ag polymetallic, the use of the multivariate data related with the mineralization in the area, such as strata, structures, magmatic rocks, geochemistry, geophysics and so on, the authors analyzed and established the mineral deposit prospecting model and made quantitative predication using weights of evidence. It was concluded that Pb-Zn-Ag polymetallic ore deposits had a close relationship with local formation, magmatic, folds, faults, gravity, geochemistry and their derived variables. According to the ore-forming beneficial degree and contour map, the study area was divided into 18 metallogenic targets and two advantageous mineral prospects. |
| Keywords:Hydrothermal type Pb-Zn-Ag polymetallic ore deposits Weights of evidence MORPAS software Quantitative prediction Northwest Zhejiang |
| 王成彬,陈建国,张珍玉,等.浙西北热液型铅锌银多金属矿成矿特征与定量预测[J].地质学刊,2013,37(3):436-443 |
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