| ETM^＋（TM）蚀变遥感异常提取方法在宁镇地区的应用 |
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| 引用本文： | 苏一鸣,李向前,朱叶飞.ETM^＋（TM）蚀变遥感异常提取方法在宁镇地区的应用[J].地质学刊,2009,33(1):84-88. |
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| 作者姓名： | 苏一鸣 李向前 朱叶飞 |
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| 作者单位： | 江苏省地质调查研究院,江苏,南京,210018
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| 摘 要： | 利用ETM^＋（TM）卫星影像数据，通过改进的主成分分析技术及门限化技术对宁镇地区进行铁染及羟基异常蚀变信息的提取，并通过已知矿点及物化探资料，对提取出的异常信息进行对比分析。由于受第四系及植被覆盖因素的限制，提取出的蚀变信息效果没有基岩裸露地区提取效果好，但提取的蚀变异常信息同样能为找矿指示方向。
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| 关 键 词： | 主成分分析 门限化 铁染异常 羟基异常 蚀变 宁镇地区 江苏 |
Application of ETM~+(TM) anomaly extraction method of altered remote sensing in Nanjing to Zhenjiang region |
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| SU Yi-ming,LI Xiang-qian,ZHU Ye-fei.Application of ETM~+(TM) anomaly extraction method of altered remote sensing in Nanjing to Zhenjiang region[J].Jiangsu Geology,2009,33(1):84-88. |
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| Authors: | SU Yi-ming LI Xiang-qian ZHU Ye-fei |
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| Institution: | Geological Survey of Jiangsu Province;Nanjing 210018;China |
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| Abstract: | Based on ETM+(TM) satellite image data and improved major component analysis technology, the authors extracted and analyzed the iron-stained and hydroxyl anomaly alteration information in the region of Zhenjiang with the help of known ore spots and geophysical and geochemical information. Restricted by Quaternary System and the mantled plantation, though the effect of the extracted alteration information was not as good as that from the bedrock exposed areas, still the extracted alteration anomaly informati... |
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| Keywords: | Major component analysis Iron-stained anomaly Hydroxyl anomaly Alteration Zhenjiang Nanjing Jiangsu |
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