安徽地质
安徽地質
안휘지질
GEOLOGY OF ANHUI
2014年
2期
127-130
,共4页
遥感%蚀变信息%主成分分析%地质解译
遙感%蝕變信息%主成分分析%地質解譯
요감%식변신식%주성분분석%지질해역
remote sensing%alteration information%principal component analysis%geological interpretation
本文对铜陵矿集区的landsat 7 ETM+。感影像进行综合分析，获取影像波谱特性，运用波段比值和主成分分析的方法提取铁染和羟基蚀变信息，利用彩色密度分割得到蚀变异常图像，清晰显示铜陵矿集区的成矿有利区域。并对。感解译结果和铜陵地区地质构造与现有矿点对比，验证提取结果。圈定的11个成矿有利区域中：3个A类区蚀变信息明显，具备有利成矿条件，成矿潜力巨大；4个B类区蚀变信息中等，具备有利成矿条件，具有一定成矿潜力；4个C类区蚀变信息离散，成矿条件不明显，具有成矿可能，但是潜力不大。
本文對銅陵礦集區的landsat 7 ETM+。感影像進行綜閤分析，穫取影像波譜特性，運用波段比值和主成分分析的方法提取鐵染和羥基蝕變信息，利用綵色密度分割得到蝕變異常圖像，清晰顯示銅陵礦集區的成礦有利區域。併對。感解譯結果和銅陵地區地質構造與現有礦點對比，驗證提取結果。圈定的11箇成礦有利區域中：3箇A類區蝕變信息明顯，具備有利成礦條件，成礦潛力巨大；4箇B類區蝕變信息中等，具備有利成礦條件，具有一定成礦潛力；4箇C類區蝕變信息離散，成礦條件不明顯，具有成礦可能，但是潛力不大。
본문대동릉광집구적landsat 7 ETM+。감영상진행종합분석，획취영상파보특성，운용파단비치화주성분분석적방법제취철염화간기식변신식，이용채색밀도분할득도식변이상도상，청석현시동릉광집구적성광유리구역。병대。감해역결과화동릉지구지질구조여현유광점대비，험증제취결과。권정적11개성광유리구역중：3개A류구식변신식명현，구비유리성광조건，성광잠력거대；4개B류구식변신식중등，구비유리성광조건，구유일정성광잠력；4개C류구식변신식리산，성광조건불명현，구유성광가능，단시잠력불대。
This paper made a comprehensive analysis of landsat 7 ETM+ remote sensing image of the Tongling mining camp to obtain spectral features, extracted iron stain and OH group alteration information using spectral ratio and principal component analysis, generated alteration anomaly image by color density slicing, which displays clearly the advantageous ore-forming areas in the mining camp. The extraction results were tested by comparing the interpretations with geological structures and known ore occurrences in the Tongling area. A total of 11 prospective ore-forming zones have been delimited: 3 class-A zones with remarkable alteration information showing great ore-forming potential; 4 class-B with moderate alteration information and a reduced potential; and 4 class-C with dispersed alteration information and a little or possible potential.
