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7 1:1万岩屑测量Ay1异常剖析 1—第四系冲积物;2—黑云斜长片麻岩;3—角闪斜长片麻岩;4—花岗岩;5—石英脉;6—1:1万岩屑测量综合异常及编号;7—1:1万岩屑测量Au异常及编号;8—极值点;9—Au异常;10—As异常;11—Sb异常;12—Ag异常;13—Cu异常;14—W异常;15—Pb异常;16—Mo异常

Fig.7 Analysis of Ay1 anomaly in 1:10 000 cuttings measurement 1—Quaternary alluvium; 2—biotite plagioclase gneiss; 3—hornblende plagioclase gneiss; 4—granite; 5—quartz vein; 6—1:10 000 rock cuttings measurement; 7—anomaly and number of Au measured by 1:10 000 rock cuttings; 8—extreme point of element; 9—Au abnormality; 10—As abnormality; 11—Sb abnormality; 12—Ag abnormality; 13—Cu abnormality; 14—W abnormality; 15—Pb abnormality; 16—Mo abnormality