岩屑地球化学测量在甘肃北山干旱戈壁荒漠区的找矿效果——以三白墩地区金砷矿的发现为例

雷自强, 陈杰, 陈世明, 方成豪, 杨镇熙, 王振

Application of geochemical survey of lithic fragments in ore prospecting in arid Gobi desert of the Beishan area, Gansu Province: A case study of the discovery of the gold-arsenic deposit in Sanbaidun area

LEI Zi-Qiang, CHEN Jie, CHEN Shi-Ming, FANG Cheng-Hao, YANG Zhen-Xi, WANG-Zhen

图6 研究区综合异常 1—第四系冲积物;2—二长花岗岩;3—花岗闪长岩;4—石英片岩;5—角闪片岩;6—黑云斜长片麻岩;7—角闪斜长片麻岩; 8—石英岩; 9—花岗岩脉; 10—石英脉; 11—探槽位置及编号;12—地质界线;13—Au矿体及编号;14—As矿体及编号;15—综合异常及编号

Fig.6 Comprehensive anomaly map of the study area 1—Quaternary alluvium; 2—monzogranite;3—granodiorite; 4—quartz schist; 5—amphibolite schist; 6—biotite plagioclase gneiss; 7—hornblende plagioclase gneiss; 8—quartzite; 9—granite vein; 10— quartz vein; 11—location and number of probe groove;12—geological boundary; 13—Au ore body and number; 14—As ore body and number; 15—comprehensive anomaly and number of 1 : 10 000 rock cuttings measurement