Applied Research |
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THE APPLICATION OF TM IMAGE TO GEOLOGICAL MAPPING AND MINERAL EXPLORATION IN ARID AREA |
Yan Jihui, Chen Huailiang, Kang Hui, Tian Xiaodong |
The Geological Researsh Institute In Tian Jing, The Ministry of Metallurgical InDustry |
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Abstract Beishan Mountain Area is an area situated in Gansu Province with Pa-laeozoic and Proterozoic strata widely exposed. During Middle-Late variscian intense tecfonic-magmatic activity took place with Au-Gu mineral resources. Based on spectral properties and statistical results of TM data, TM7.TM5.TM4 images are picked up to make colour composite image and ratio image(5/7, 5/ 4) .Thetransformed image provide both structural informations and lithological information, especially information of hydrothermal alteration zones. These techniques are applied to geological mapping and locating prospecting targets. Results obtained are satisfying.
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Keywords
Sulfur dioxide
Rice
the first derivative spectral reflectance
pH of extracted leaf fluid;
Chlorophyll concentration
Sulfur content
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Issue Date: 02 August 2011
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[1] 地质部情报研究所编:遥感专辑, 第一辑,《矿物岩石的可见一中红外光谱及其应用》,1980, 地质出版社。
[2] viohamed Sultan, Edward A. Guinneset al, Lithologic Mapping in Arid Regions with Landsat Thematic Mapper Data, Meatiq Dome, Egypt, Geological Society of America Bulletins, V. 99. PP. 748-762,Dec.,1987.
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