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2 元素R型聚类分析谱系图 elements |
Fig.2 Pedigree chart of R-type clustering analysis of |