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3 三白墩岩屑点位分布 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—绢英岩;9—花岗岩脉;10—石英脉;11—岩屑采样点位;12—岩屑重复样采样点位

Fig.3 Location map of Sanbaidun cuttings 1—Quaternary alluvium; 2—monzogranite; 3—granodiorite; 4—quartz schist; 5—amphibolite schist; 6—biotite plagioclase gneiss; 7—hornblende plagioclase gneiss; 8—sericite; 9—granite vein; 10—quartz vein; 11—rock cuttings sampling point; 12—sampling points of repeated rock cuttings