图  1   阳山金矿区域构造纲要图

1—新近系；2—白垩系河东群；3—二叠系大关山组；4—三叠系光盖山组、郭家山组；5—石炭系益哇沟组；6—泥盆系屯寨组、桥头岩组；7—志留系白水江群、石坊群；8—下古生界碧口群；9—黑云母花岗岩：10—整合及不整合地质界线；11—断层；12—金矿床(矿化点)

Figure  1.   Outline of the Yangshan gold orefield

图  2   阳山金矿安坝里矿区地质简图

1—钙质、炭质千枚岩夹薄层状灰岩透镜; 2—灰白色千枚岩、绢云母千枚岩夹薄层状灰岩透镜体; 3—炭质千枚岩、少量绢云母石英千枚岩; 4—板状绢云母千枚岩及少量泥质板岩变石英粉砂岩; 5—硅质岩; 6—灰黑色中厚层状灰岩; 7—灰色灰岩、砂质板岩、粉砂岩、细砂岩等; 8—灰岩透镜体; 9—花岗斑岩脉; 10—实测及推测断层; 11—复背斜; 12—复向斜; 13—短轴背斜；14—短轴向斜；15—倒转背斜；16—详查区范围及19号勘查线位置

Figure  2.   Geological map of Anbali mine ares Yangshan gold deposit

图  3   阳山金矿安坝里矿区19号勘探线剖面

1—矿体；2—脉岩；3—断层；4—中段；5—钻孔；6—矿区界线

Figure  3.   Geological section along No.19 exploration line of Anbali mine area, the Yangshan gold deposit

图  4   阳山金矿成矿构造特征(a~f)及成矿模式图(g)

a—连续的向背斜褶皱；b—层间褶皱；c—近南北向断层；d—北北东向断层；e—北北西向断层；f—近东西向断层

Figure  4.   Features of metallogenic structure(a~f)and tectonic setting model(g) of the Yangshan gold deposit

图  5   两期构造运动示意图

Figure  5.   Schematic diagrams of two-stage tectonic movement

图  6   阳山金矿安坝里矿区断裂产状极射赤平投影

Figure  6.   Attitudes of faults in the form of equatorial polar projection in the Yangshan gold deposit

图  7   阳山金矿安坝里矿区地层产状赤平极射投影

Figure  7.   Attitude of red plane polar projection of strata in the Yangshan gold deposit

图  8   阳山金矿安坝里矿区圈定的新旧矿体对照图

a—以往圈定矿体；b—本次圈定矿体; 1—矿体; 2—脉岩；3—断层；4—中段；5—钻孔；6—矿区界线

Figure  8.   Comparison of old and new orebodies in the Yangshan gold deposit