以SiO<sub>2</sub>含量为辅助因子的ASTER热红外遥感硅化信息提取

刘道飞; 陈圣波; 陈磊; 马明

doi:10.3799/dqkx.2015.124

Volume 40 Issue 8

Aug. 2015

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Article Navigation > Earth Science > 2015 > 40(8): 1396-1402

Liu Daofei, Chen Shengbo, Chen Lei, Ma Ming, 2015. Silicification Information Extraction Based on the Content of SiO2 from ASTER TIR Data. Earth Science, 40(8): 1396-1402. doi: 10.3799/dqkx.2015.124

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Liu Daofei, Chen Shengbo, Chen Lei, Ma Ming, 2015. Silicification Information Extraction Based on the Content of SiO₂ from ASTER TIR Data. Earth Science, 40(8): 1396-1402. doi: 10.3799/dqkx.2015.124

Liu Daofei, Chen Shengbo, Chen Lei, Ma Ming, 2015. Silicification Information Extraction Based on the Content of SiO2 from ASTER TIR Data. Earth Science, 40(8): 1396-1402. doi: 10.3799/dqkx.2015.124

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Silicification Information Extraction Based on the Content of SiO₂ from ASTER TIR Data

doi: 10.3799/dqkx.2015.124

Liu Daofei^{1, 2
,},
Chen Shengbo¹,
Chen Lei¹,
Ma Ming^{1, 3
,
,}

1.
College of Geoexploration Science and Technology, Jilin University, Changchun 130026, China
2.
Changchun Institute of Urban Planning & Design, Changchun 130033, China
3.
College of Surveying and Prospecting Engineering, Jilin Jianzhu University, Changchun 130118, China

Received Date: 2015-03-14
Publish Date: 2015-08-01

Abstract

Abstract

Silicic alteration, an important alteration type among mineral rock alteration, has close relationship with the formation of several gold mines and it has often been treated as symbol for geological prospecting in the field. This paper proposes a method for the silicification information extraction through analyzing the ASTER (advanced spaceborne thermal emission and reflection radiometer) TIR spectral characteristics of silicification alteration minerals and selecting the content of SiO₂ as an accessory factor based on the relationship between silicification and the content of SiO₂. The method was applied in northern erlianhot city of Inner Mongolia and the silicification information of study area was extracted. By the field survey, 33 of the 39 silicification sampling sites have been verified, with an accuracy of 86.14%.
- thermal infrared,
- ASTER,
- remote sensing,
- SiO₂,
- silicification

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Silicification Information Extraction Based on the Content of SiO2 from ASTER TIR Data

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Silicification Information Extraction Based on the Content of SiO₂ from ASTER TIR Data