| 遥感技术在矿化蚀变信息提取及矿产预测中的应用 |
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| 引用本文： | 唐尧,袁建国,张成信. 遥感技术在矿化蚀变信息提取及矿产预测中的应用[J]. 化工矿产地质, 2013, 0(3): 151-156 |
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| 作者姓名： | 唐尧 袁建国 张成信 |
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| 作者单位： | [1]中化地质矿山总局化工地质调查总院,北京100013 [2]中化地质矿山总局地质研究院,河北涿州072754 |
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| 摘 要： | 遥感技术成矿探测的关键在于成矿构造及蚀变矿物信息的提取,以ETM+遥感影像为数据源,结合相关地质资料通过人工目视解译建立构造解译标志,对渝东南地区线性构造解译与环形构造解译,并分析了区内蚀变矿物的波谱特征,针对遥感影像,利用阈值分割、主成分变换及掩膜分析等手段提取了研究区的羟基蚀变信息和铁染蚀变信息。最后结合区内物化探等综合异常信息圈定了6个成矿预测远景区。
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| 关 键 词： | 遥感技术 矿化蚀变 成矿预测 主成分分析 |
AN APPLICATION OF RS REMOTE SENSING IN THE MINERALIZATION INFORMATION EXTRACTION AND MINERAL PREDICTION |
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| Tang Yao,Yuan Jianguo,Zhang Chengxin. AN APPLICATION OF RS REMOTE SENSING IN THE MINERALIZATION INFORMATION EXTRACTION AND MINERAL PREDICTION[J]. Geology of Chemical Minerals, 2013, 0(3): 151-156 |
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| Authors: | Tang Yao Yuan Jianguo Zhang Chengxin |
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| Affiliation: | 1.Geological Institute of China Bureau of Mines in Chemical Geology Geological Survey General Hospital, Beijing, 100013, China; 2. Geological Institute of China Chemical Geology and Mine Bureau , Zhuozhou , Hebei , 072754, China) |
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| Abstract: | The key of mineralization of remote sensing technology to detect lies in the tectonic and alteration minerals information extraction.By using ETM ＋ remote sensing image to be data source, combined with the relevant geological data through visual interpretation tectonic interpretation signs, and thterpertation of lineartectonic interpretation and circular structure interpretation in in southeastern Chongqing and analysis of the spectral characteristics of the alteration minerals in the region, for remote sensing images, the use of threshold segmentation, PCA and mask analysis were extracted by means of the study area hydroxyl alteration and iron stainingalteration information.Finally, there are 6 metallogenic prediction prospects have been determinated conbined with regional geophysical and geochemical anomalies information. |
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| Keywords: | Remote Sensing Technology mineral alteration metallogenic prediction PCA |
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