干旱荒漠区综合物化探方法寻找铜多金属矿

龚胜平, 陆桂福, 席明杰, 马生明, 苏文利

The application of integrated geophysical and geochemical methods to the prospecting of copper polymetallic deposits in the arid desert area

GONG Sheng-Ping, LU Gui-Fu, XI Ming-Jie, MA Sheng-Ming, SU Wen-Li

图1 调查区地质图与工作布置 1—中粒石英闪长岩;2—细粒角闪辉长岩;3—上奥陶统-下志留统公婆泉组一段变粒岩;4—第四系全新统砂砾石、粉砂、细砂;5—第四系全新统冲洪积物;6—白垩系赤金堡组含砾粗砂土;7—细粒二长花岗岩;8—中粒花岗闪长岩;9—青灰色闪长玢岩脉;10—肉红色细粒钾长花岗岩;11—花岗细晶岩;12—细粒二长花岗岩脉;13—细粒花岗闪长岩;14—细粒正长花岗岩;15—细粒花岗斑岩脉;16—石英脉;17—大理岩;18—变粒岩;19—钠长阳起片岩;20—矽卡岩化;21—岩相界线;22—断裂构造;23—调查区范围;24—物化探测点;25—褐铁矿化;26—铜锌矿化点;27—探槽位置及编号

Fig.1 Geological map and work arrangement in the survey area 1—medium-grained quartz diorite; 2—fine-grained hornblende gabbro; 3—metagranite of the first member of Gongpoquan formation in upper Ordovician-lower Silurian; 4—sandy gravel, silt, fine sand of Quaternary Holocene; 5—alluvial deposits of Quaternary Holocene; 6—gravel-bearing sandy soil of Chijinbao formation of Mesozoic; 7—fine-grained monzonitic granite; 8—medium-grained granodiorite; 9—blue-gray diorite porphyrite vein;10—red meat fine-grained K-feldspar granite; 11—granite acelite; 12—fine-grained monzonite vein; 13—fine-grained granodiorite; 14—fine-grained syenogranite; 15—fine-grained granite porphyry vein; 16—quartz vein; 17—marble; 18—metagranite; 19—albite-actinolite-schist; 20—skarnization; 21—lithofacies boundary; 22—fault structure; 23—survey area; 24—geophysical and geochemical survey points; 25—limonite mineralization; 26—Cu-Zn mineralization station; 27—trough location and number