Abstract：Taking Landsat7 ETM+ as the data source and using "de-interfered anomalous principal component thresholding technique,i.e., DAPCTT",the authors extracted weak mineralization and alteration remote sensing information (i.e. hydroxyl and iron-stain remote sensing anomaly information) in Guizhou Province. As this kind of information contains large quantities of discrete data and uses the grid file form,the authors used the density weighted method to process the surface interpolation of the discrete outliers and drew the contour maps. The contour maps show that the remote sensing anomaly distribution has certain regularity and is in good agreement with the formation, structure and distribution of mineral resources. In combination with geochemical element anomaly distribution map,high resolution remote sensing images and field measured alteration zone data,the comparison and verification were made for the remote sensing anomalies, and the results show that the weak mineralization and alteration remote sensing information extracted by these methods is reliable and can reflect the basic relationships between geological structures,rocks and mining fields. In addition, it can supply new clues to the evaluation of mineral resources potential in Guizhou Province.
况忠, 黄欣欣, 况顺达, 芦正艳, 龙胜清. 贵州弱矿化蚀变遥感信息的分布特征[J]. 国土资源遥感, 2014, 26(2): 140-147.
KUANG Zhong, HUANG Xinxin, KUANG Shunda, LU Zhengyan, LONG Shengqing. Distribution characteristics of remote sensing information on weak mineralization and alteration in Guizhou. REMOTE SENSING FOR LAND & RESOURCES, 2014, 26(2): 140-147.
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2014, Vol. 26 
