柴北缘夏日达乌铌钽矿区花岗岩地球化学特征及地质意义

魏生云,王建国,郭学忠,邢佳

Geochemical Characteristics and Geological Significance of Granite in Xiaridawu Niobium-Tantalum Mining Area，Northern Margin of Qaidam Basin

Shengyun WEI,Jianguo WANG,Xuezhong GUO,Jia XING

图11 花岗岩Rb-Ba-Sr图解（底图据 Bouseily et al.，1975） SDG-高度分异的花岗岩；NG-正常花岗岩；AG-异常花岗岩；GD-花岗闪长岩；QD-石英闪长岩；D-闪长岩

Fig.11 Rb-Ba-Sr diagram of granite（base map after Bouseily et al.，1975）