中国地质2026，Vol.53Issue(1)：60-76,17.DOI:10.12029/gc20240206001
基于资源一号02D高光谱数据的蚀变矿物提取与找矿预测
Identification of alteration minerals and linear structures and prediction of metallogenic favorable area based on ZY-1-02D hyperspectral data
摘要
Abstract
This paper is the result of mineral exploration engineering. [Objective]Hyperspectral remote sensing technology enables the rapid extract of information on alteration minerals and linear structures based on their unique spectral features,and is significant for supporting the next round of prospecting breakthroughs.[Methods]This study focuses on the Zhaojinggou and Hutushan areas in Wuchuan County,Inner Mongolia.The alteration minerals were extracted based on spectral hourglass technology using ZY-1-02D satellite hyperspectral data.The linear structures of the study area were extracted by conducting principal component analysis(PCA)and LINE module in PCI Geomatica.Furthermore,the spatial distribution characteristics of altered minerals and linear structures were analyzed.[Results]Eight types of alteration minerals were identified—hematite,low aluminum sericite,medium aluminum sericite,lepidolite,biotite,chlorite,carbonate and kaolinite—and 127 linear structures were extracted from the study area.It is found that the alteration minerals and linear structures in the study area are closely related to the lithology of the geological body,and most of them are concentrated in the local section of the specific geological body.The extraction results of linear structures are mainly distributed on the interface of different tones and the abnormal zone with linear distribution in the image,indicating a good overall extraction effect.Based on the comprehensive analysis of alteration information and linear structure,6 prospecting areas have been delineated,four of which coincide with known ore veins,indicating high consistency and confirming that such anomalies can serve as a basis for remote sensing prospecting.[Conclusions]Hyperspectral remote sensing can not only accurately identify altered mineral information,but also clearly extract different rock mass,structure,and other geological bodies,providing strong technical support for mineral resources exploration and geological investigation.关键词
高光谱遥感/资源一号02D卫星/蚀变矿物/线性构造/主成分分析/地质调查工程/矿产勘查工程Key words
hyperspectral remote sensing/ZY-1-02D satellite/alteration minerals/linear structures/principal component analysis(PCA)/geological survey engineering/mineral exploration engineering分类
天文与地球科学引用本文复制引用
仝云霄,栗旭升,杨俊泉,汪翡翠,曹思琦,魏佳林..基于资源一号02D高光谱数据的蚀变矿物提取与找矿预测[J].中国地质,2026,53(1):60-76,17.基金项目
"稀有金属矿集区无人机高光谱快速探测评价体系构建"(H2326)及中国地质调查局项目(DD20230101)联合资助. Supported by"the Construction of A Rapid Detection and Evaluation System for Rare Metal Mineral Concentration Areas Using Unmanned Aerial Vehicles with Hyperspectral Technology"(No.H2326)and the project of China Geological Survey(No.DD20230101). （H2326）
