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11 三白墩STC5探槽素描图 1—第四系;2—角闪斜长片麻岩;3—黑云斜长片麻岩;4—碎裂岩;5—花岗闪长岩;6—石英脉;7—断层;8—产状;9—光谱;10—化学样采样位置及编号

Fig.11 Sketch of STC5 trench in Sanbaidun 1—Quaternary system; 2—hornblende plagioclase gneiss; 3—biotite plagioclase gneiss; 4—cataclastic rock; 5—granodiorite; 6—quartz vein; 7—fault; 8—occurrence; 9—spectrum; 10—sampling location and number of chemical samples