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作 者:龙明周 李伟[1] 岳小军[1] LONG Mingzhou;LI Wei;YUE Xiaojuen(Geological Team No.4 of Guangxi Zhuang Autonomic Region,Nanning 530033,Guangxi,China)
机构地区:[1]广西壮族自治区第四地质队,广西南宁530033
出 处:《矿产与地质》2021年第3期580-585,602,共7页Mineral Resources and Geology
摘 要:基于矿化蚀变信息提取方法,提出广西罗维铅锌银多金属矿区围岩蚀变与矿化关系研究方法。利用三维激光技术的围岩结构面信息采集方法采集信息,运用PCA和布谷鸟算法,优化SVM遥感矿化蚀变信息提取方法,提取围岩结构面的蚀变及矿化特征。研究结果表明:该方法对罗维矿区铅锌银多金属矿围岩中结构面特征提取差值较小,仅对平均厚度信息提取存在差值,但在合理范围内。Based on the extraction method of mineralization alteration information,a research method of the relationship between wall rock alteration and mineralization in Luowei lead-zinc-silver polymetallic mining area in Guangxi is proposed.The 3D laser technology is used to collect the information of the surrounding rock structure plane.PCA and Cuckoo Algorithm are used to optimize the SVM remote sensing mineralization information extraction method to extract the alteration and mineralization characteristics of the surrounding rock structure.The result shows that the difference of the method is small for the feature extraction of structural surface in the surrounding rock of lead-zinc-silver polymetallic deposits in Luowei mining area,and only the average thickness information extraction is different,but it is within a reasonable range.
关 键 词:铅锌银多金属矿 围岩蚀变 矿化特征 遥感矿化蚀变信息提取 罗维矿区 广西
分 类 号:P627[天文地球—地质矿产勘探] P618.42[天文地球—地质学]
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