J4 ›› 2011, Vol. 41 ›› Issue (1): 316-321.

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Extraction of Alteration Mineral Information Based on Hyperspectral Data in Vegetation Covering Field

LV  Feng-jun1, HAO Yue-sheng1, WANG Juan2, YAO Fo-jun3,4   

  1. 1. |Center of Hebei Remote Sensing, Shijiazhuang 050021, China;
    2. Hydrogeology and Engineering Geology Survey Institute, Geology and Mineral Exploration Bureau of Hebei Province|Shijiazhuang 050021, China;
    3. School of the Geosciences and Resources, China University of Geosciences, Beijing 100083,China;
    4. Institute of Mineral Resources/Key Laboratory of Metallogeny and Resources Assessment,Chinese Academy of Geological Sciences, Beijing 100037,China
  • Received:2010-04-18 Online:2011-01-26 Published:2011-01-26

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Abstract:

In vegetation covered seriously field, based on synthetic spectral information model, the study on hyperspectral remote sensing information extraction for alteration mineral has been carried on. Taken Dayingzi field, Chengde City, Hebei Province as an example, based on the spectral curve difference between alteration minerals and background objects, the alteration mineral distributing information of chlorite，clinochlore，calcite and dolomite has been extracted based on Hyperion data in the field of vegetation covered more than 70 percent. The extracted alteration mineral distribution information is the same as the geology and mineral resources data conformed in the filed. At last, combining with the remote sensing geology interpretation result and relative geology information, with the combination distribution characteristics of the alteration mineral, the further favorable exploration area was delineated.

Key words: remote sensing, hyperspectral, alteration mineral, vegetation covering, synthetic spectral information model

CLC Number: 

  • P627
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