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3 火成岩系统全碱—硅(TAS)分类图
(底图据Middlemost,1994
1-橄榄辉长岩;2a-碱性辉长岩;2b-亚碱性辉长岩;3-辉长闪长岩;4-闪长岩;5-花岗闪长岩;6-花岗岩;7-硅英岩;8-二长辉长岩;9-二长闪长岩;10-二长岩;11-石英二长岩;12-正长岩;13-副长石辉长岩;14-副长石二长闪长岩;15-副长石二长正长岩;16-副长正长岩;17-副长深成岩;18-霓方钠岩/磷霞岩/粗白榴岩
Fig.3 Total alkali-silicon(TAS) classification diagram of igneous rock system(base map after Middlemost,1994