THE TECHNIQUE DEVELOPMENT AND APPLICATION OF LANDSAT TM DATA FOR ALTERATION INFORMATION OF ROCKS MAPPING IN MIDDLE DENSITY VEGETATION AREA

doi:10.6046/gtzyyg.1992.03.11

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Abstract

Mineralization often is related to altered rocks. Landsat TMwith two bands within the short infrared wavelength (1. 1-2.5 μm) supples the ability for altered rocks mapping. But the vegetation covery masks the altered rocks information and confuses the reflectance spectrum. Three methods were developed for altered rock mapping in middle density vegetation area. They are principal component analysis, least square fit and unmixing. These methods are successfully applied in DianQingGui area for disseminated gold exploration. The clay minerals distribution information which is related to disseminated gold deposits were extracted and mapped,

Keywords Urban heat island Underlying surface Thermal infrared remote sensing

Issue Date: 02 August 2011

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	CHEN Feng
	HE Bao-Yin
	LONG Zhan-Yong
	YANG Xiao-Qin
	BI Bing-Kun

Cite this article:

CHEN Feng,HE Bao-Yin,LONG Zhan-Yong, et al. THE TECHNIQUE DEVELOPMENT AND APPLICATION OF LANDSAT TM DATA FOR ALTERATION INFORMATION OF ROCKS MAPPING IN MIDDLE DENSITY VEGETATION AREA[J]. REMOTE SENSING FOR LAND & RESOURCES, 1992, 4(3): 55-60.

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https://www.gtzyyg.com/EN/10.6046/gtzyyg.1992.03.11 OR https://www.gtzyyg.com/EN/Y1992/V4/I3/55

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