甘肃北山老君庙北金矿土壤地球化学特征及找矿前景

张文斌, 周贤君, 侯翠霞, 王宁祖, 孙平原, 赵振琯, 何碧

Geochemical characteristics of soils and prospecting potential of the northern Laojunmiao gold deposit in the Beishan area, Gansu Province

ZHANG Wen-Bin, ZHOU Xian-Jun, HOU Cui-Xia, WANG Ning-Zu, SUN Ping-Yuan, ZHAO Zhen-Guan, HE Bi

图2 甘肃北山老君庙北金矿区区域地质简图[12] 1—第四系;2—敦煌岩群D岩组;3—敦煌岩群C岩组;4—敦煌岩群B岩组;5—敦煌岩群A岩组;6—二长花岗岩;7—英云闪长岩;8—钾长花岗岩;9—石英二长岩;10—石英正长岩;11—花岗斑岩;12—辉绿岩脉;13—逆冲断层;14—平移断层;15—糜棱岩带;16—金矿床(点);17—研究区位置;18—1∶10 000土壤测量范围

Fig.2 Regional geological map of north Laojunmiao gold deposit in Beishan,Gansu Province[12] 1—Quaternary;2—D rock formation of Dunhuang rock group;3—C rock formation of Dunhuang rock group;4—B rock formation of Dunhuang rock group;5—A rock formation of Dunhuang rock group;6—monzogranite;7—dolomite diorite;8—potassium feldsparinite;9—quartz monzonite;10—quartz syenite;11—granite porphyry;12—diabase;13—thrust faults;14—translational faults;15—mylonite belt;16—gold deposits (points);17—study area location;18—1∶10,000 soil measurement range