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15 花岗岩类构造环境主量元素类别图解（底图据Maniar et al.，1989） IAG-岛弧；CAG-大陆弧；CCG-大陆碰撞；POG-造山后；RRG-与裂谷有关；CEUG-陆内造陆运动降起；OP-大洋斜长花岗岩类

Fig.15 Classification diagram of major elements in granite tectonic environment（base map after Maniar et al.，1989）