New Discoveries and Exploration Significance of Hyperspectral Remote Sensing Prospecting in Highly Vegetated Area of Fengxian County, Shaanxi Province
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图 1 研究区大地构造背景、金矿产地质图与遥感异常信息提取图
a.研究区大地构造背景图；b.金矿产地质图；c.融合影像及综合遥感异常图；d.某矿区融合前绢云母化蚀变信息提取图；e.某矿区融合后绢云母化蚀变信息提取图；f.某矿区融合前后绢云母化蚀变信息叠加图；1.第四系；2.下白垩统周家湾组；3.中侏罗统龙家湾组；4.下三叠统西坡组；5.下-上二叠统水峡口组；6.上石炭统四峡口组；7.上泥盆-下石炭统九里坪组；8.上泥盆统大草滩组；9.上泥盆统星红铺组；10.中-上泥盆统古道岭组；11.中泥盆统大枫沟组；12.下古生界罗汉寺岩组；13.下古生界丹凤岩群；14.下元古界秦岭岩群；15.闪长玢岩脉；16.花岗斑岩脉；17.钠长角砾岩脉；18.地质界线/角度不整合界线/平行不整合界线；19.逆断层/正断层及其产状；20.脆韧性剪切带/韧脆性剪切带；21.平移断层/区域性断层/一般断层；22.金矿床（点）；23.砂金矿点；24.综合遥感异常；25.重点找矿区
Fig. 1. Tectonic setting and geological map of gold deposits and remote sensing anomaly information extraction map of the study area
图 2 无人机高光谱遥感蚀变异常
Fig. 2. Alteration anomaly results of unmanned aerial vehicle hyperspectral remote sensing
图 3 金矿化点地质简图与野外及矿石特征
a.康家垭豁地质简图；b.狗背梁地质简图；c.康家垭豁碎裂化蚀变闪长玢岩野外照片；d.康家垭豁刻槽取样照片；e.狗背梁碎裂化蚀变闪长玢岩野外照片；f、g.康家垭豁金矿化标本薄片镜下特征；h.康家垭豁金矿化标本光片镜下特征；i、j.狗背梁金矿化标本薄片镜下特征；k.狗背梁金矿化标本光片镜下特征1.全新统冲洪积物；2.下三叠统西坡组2段；3.下三叠统西坡组1段；4.下.上二叠统水峡口组2段；5.上泥盆统星红铺组2段；6.上泥盆统星红铺组1段；7.中-上泥盆统古道岭组；8.碎裂化蚀变闪长玢岩脉；9.灰岩标志层；10.不整合界线；11.地质界线；12.一般断裂；13.区域性大断裂；14.逆断层；15.层理产状；16.倒转层理产状；17.小型金矿床（点）；18.重点找矿区
Fig. 3. Geological map, field and ore characteristics of gold mineralization points
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