本文選題：因子分析　切入點：趨勢面分析　出處：《地質(zhì)科技情報》2016年01期 　論文類型：期刊論文

【摘要】：云南個舊的陡巖一帶具有良好的成礦地質(zhì)條件,是近年來個舊西區(qū)地質(zhì)找礦工作的重點。采用因子分析、趨勢面分析對個舊西區(qū)陡巖一帶1∶1萬巖石化探數(shù)據(jù)進行了處理,重點提取了Sn礦化信息,得出該區(qū)異常主要受隱伏巖體和北西向地層、構(gòu)造控制。R型因子分析表明,F3因子代表Sn-Mo元素組合,反映巖體及熱液相關(guān)信息;F5因子代表Sn-Sr元素組合,Sr是碳酸鹽巖中的常見元素,說明Sn元素部分來源于個舊組和法郎組灰?guī)r地層。利用因子得分趨勢面分析提取了局部剩余異常,再對剩余異常進行了多因子疊加處理,最后圈定出Ⅰ,Ⅱ號靶區(qū)作為下一步重點找礦區(qū)域。
[Abstract]:Gejiu steep rock area in Yunnan Province has good metallogenic geological conditions, which is the focus of geological prospecting in Gejiu Western region in recent years. Factor analysis and trend surface analysis are used to deal with 1: 10 million petrogeochemical data of steep rock area in Gejiu Western region. The Sn mineralization information is extracted emphatically, and the anomaly in this area is mainly affected by the concealed rock mass and the NW direction strata. The structural control. R-type factor analysis shows that the F3 factor represents the Sn-Mo element assemblage. Factor F _ 5 representing Sn-Sr element assemblage is a common element in carbonate rock, indicating that Sn element is partly derived from Gejiu formation and franc formation limestone strata. Local residual anomalies are extracted by factor score trend surface analysis. The remaining anomalies are processed by multi-factor superposition, and the target areas 鈪，

本文編號：1610362