| MORPAS支持下的甘肃临潭—宕昌地区铅锌矿床多源信息预测 |
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| 引用本文：.2005.MORPAS-based multi-information prognosis of lead-zinc deposits in Lintan-Dangchang area, Gansu Province [J].Mineral Deposits,24(2):185~192 |
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| 基金项目:中国地质调查局“十五”规划重点研究项目“秦岭地区重大找矿疑难问题研究”(编号：200310200040) |
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| 中文摘要:文章在对研究区内的地、物、化、遥及重砂等信息与铅锌成矿的关系进行深入分析的基础上，分别建立了甘肃临潭—宕昌地区铅锌矿床远景区两种主要类型矿床的找矿信息综合模型。在MORPAS平台上，利用GIS的空间信息技术，从模型中优选出20个有利铅锌成矿的地质变量对本区铅锌矿床进行了预测，圈定出了两级找矿远景区。 |
| 中文关键词:地质学 MORPAS 多源信息 预测 铅锌矿床 甘肃临潭—宕昌 |
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| MORPAS-based multi-information prognosis of lead-zinc deposits in Lintan-Dangchang area, Gansu Province |
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| Abstract:This paper deals mainly with the application of GIS technique to the integrated analysis of multi-information ore prognosis and the evaluation of the lead-zinc prospect district in Lintan-Dangchang area. The authors probed into the relationship of geological, geophysical, geochemical, remote sensing and heavy mineral information to lead-zinc mineralization and established integrated models for the prospecting of two major types of ore deposits. On such a basis, 20 favorable variables were chosen according to the models, and lead-zinc prospect districts in Lintan-Dangchang area were delineated through spatial analysis of the MORPAS system. The results obtained provide powerful evidence for ore prospecting and greatly raise the precision of ore prognosis. |
| keywords:geology, MORPAS, multi-information, prognosis, lead-zinc deposit, Lintan-Dangchang |
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