| 陆地卫星TM数据用于辽东地区铅锌矿产预测的方法探索 |
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| 引用本文： | 王品清.陆地卫星TM数据用于辽东地区铅锌矿产预测的方法探索[J].国土资源遥感,1990,1(2):42-49. |
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| 作者姓名： | 王品清 |
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| 作者单位： | 地矿部地质遥感中心 |
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| 摘 要： | 本文详细地介绍了笔者近期完成的一项试验研究, 目的在于将遥感、地质及物化探等综合地 质信息用于矿产预测, 建立相应的数学模型, 为找矿圈定靶区。在研究工作中, 引人数学地质的 “区域化变量”概念, 利用线性构造信息及与区内铅锌矿产密切相关的岩性单元进行统计分析； 提取出与矿化有关的地质因子, 并利用二项分布函数, 以6km × 6km的网距, 计算出至少含一个 铅锌矿化点的概率值。最终, 得到一张反映区内至少含有一个矿化点的概率等值线图。它为区内 成矿地质条件评价及找矿远景区的选择提供了定量数据, 并为了一步将要进行的综合信息矿产预 测提供了重要的基础资料。野外验证期间, 在根据概率分析所圈定的异常区内, 发现了新的铅锌 矿化现象, 其评价工作还在进行之中。
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| 关 键 词： | 陆地 卫星 TM数据 铅锌矿 预测 |
APPLICATION OF LANDSAT TM DATA INTO REGIONAL PREDICTION FOR LEAD-ZINC DEPOSITS IN EASTERN LIAONING |
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| Institution: | Center for Remote Sensing in Geology |
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| Abstract: | Some early results of a study program which is used the integrated analysis for geological, geophysical, geochemical and remote sensing data in regional exploration of lead-zinc deposits are presensed in this paper. In terms of the statistical analysis and probability computation, the geological condition for the lead-zinc mineralization have been quantitatively predicted by taking into account the linear structures extracted from the Landsat TM image and some lithologic units from geological map. Finally, the probability contour containing, at least, one deposit has been obtained. It provides the important clues for the target area selection to be further studied and makes fundament for the integrated analysis with geological, geophysical, geochemical and remotely sensed data in next stage. Fortunatlly. a new mineralization site has been discovered in the probability anormaly area during the field geological study. |
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