| 张延斌.东昆仑五龙沟金矿集中区遥感地质
信息提取与找矿预测[J].地质与勘探,2009,45(4):444-449 |
| 东昆仑五龙沟金矿集中区遥感地质
信息提取与找矿预测 |
| The Extraction of Remote Sensing Geological Information and MetalllogeneicPrediction of Gold Mineralized Concentrate District in Wulonggou, East Kunlun Mountains |
| 投稿时间：2008-10-17 修订日期：2009-06-01 |
| DOI： |
| 中文关键词: 遥感地质信息 提取 找矿预测 五龙沟地区 |
| 英文关键词: remote sensing geological information, extraction, metallogenic prediction, Wulonggou area |
| 基金项目:四川省教育厅自然科学青年项目(编号:08ZB085)和成都理工大学青年科学基金项目(编号:2008QJ10)联合资助。 |
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| 中文摘要: |
| [摘要]东昆仑五龙沟地区是青海省最具资源潜力的金矿集中区之一,遥感地质信息的识别与提
取对找矿预测具有重要的指导意义。作者利用ETM+ 遥感影像,通过彩色变换、波段比值、主成分分析、
二次主成分分析及其组合运算等图像处理技术,提取了东昆仑五龙沟地区与金矿化有关的地质信息,改
进了蚀变信息的提取方法。所提取的线性构造反映了该区的构造格架,提取的蚀变信息与已知矿化点
基本吻合,这些成矿信息的复合部位为金矿成矿的有利环境。最后结合区域成矿地质特征进行了成矿
远景区的划分。 |
| 英文摘要: |
| Abstract:Wulonggou gold deposits is the most important one in East Kunlun Mountains, recognition and extraction of remote sensing geological infor鄄
mation has an important instructional meaning to metallogenic prediction. Based on the process of color transform、band ratio、principal component analy鄄
sis、multi鄄principal component analysis and operation combination of ETM+ remote sensing information in Wulonggou area, a lot of information relating to
the metallization of Au are extracted. The result of extracting linear structures reflect structure pattern in this area and the result of extracting alteration a鄄
nomalies are almost correspond to the known deposits or mineralization spots. The superposition of the valuable ore鄄forming information is advantageous ar鄄
ea to the gold mineralization. Finally, based on the regional mineralizing geological conditions, several metallogenic prospecting area have been selected. |
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