甘肃北山音凹峡地区水系沉积物测量地球化学特征及找矿靶区优选

陈海云,龚振中,杨镇熙,任长旭,周兆明

Geochemical Characteristics of Stream Sediment Survey and Prospecting Target Selection in the Yinwaxia Area，Beishan，Gansu Province

Haiyun CHEN,Zhenzhong GONG,Zhenxi YANG,Changxu REN,Zhaoming ZHOU

图4 多元素富集系数累加异常图

Fig.4 Multi-element enrichment coefficient cumulative anomaly map