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8 1:1万岩屑测量Ay3异常剖析 1—第四系冲积物;2—黑云斜长片麻岩;3—角闪片岩;4—石英片岩;5—花岗岩;6—花岗闪长岩;7—二长花岗岩;8—综合异常位置及编号;9—单元素异常位置及编号;10—极值点;11—Au异常;12—As异常;13—Pb异常

Fig.8 Analysis of Ay3 anomaly in 1:10 000 cuttings measurement 1—Quaternary alluvium; 2—biotite plagioclase gneiss; 3—amphibolite schist; 4—quartz schist; 5—granite; 6—granodiorite; 7—monzogranite; 8—comprehensive abnormal position and number; 9—abnormal position and number of single element; 10—extreme point; 11—Au abnormality; 12—As abnormality; 13—Pb abnormality