河南省桐柏县老湾金矿地球化学特征及深部成矿预测
张宏燕, 赵焕, 郭鹏

Geochemical characteristics and deep metallogenic prediction of the Laowan gold belt in Tongbai County, Henan Province
ZHANG Hong-Yan, ZHAO Huan, GUO Peng
图8 老湾金矿原生晕元素R型聚类分析
Fig.8 R-type cluster analysis diagram of primary halo elements in Laowan gold deposit