Resources and Environment |
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USING TM DATA TO GAIN QUICKLY THE SURFACE CHARACTERISTICS AND SYMBOLS OF LATERITIC GOLD DEPOSITS |
Zhu Guchang, Wu Jiansheng, Wu Dewen, Yang Zian, Zhou Zhengwu |
Center for Remote Sensing in Geology, China Non-ferrous Metal Industry, Beijing 101601 |
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Abstract The lateritic gold deposit is a new gold industrial type. In this paper, authors study principally the typical lateritic gold deposits in the south of China, design the methods of abstracting the information related with lateritic gold deposits from TM images by means of studying the image processing principle of TM data and the spectrum characteristics of main minerals, and gain a series of remote sensing characteristic information corresponded with the knew lateritic gold deposits, which can be used as one of main information of prospecting prognosis of lateritic gold deposits.
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Keywords
Remote sensing image
Change detection
Geometrical registration
Threshold
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Issue Date: 02 August 2011
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