临沧地区富铀花岗岩体地球化学特征及其地质意义

田建民, 徐争启, 尹明辉, 李涛, 孙康

Geochemical characteristics and geological significance of uranium-rich granites in Lincang area

TIAN Jian-Min, XU Zheng-Qi, YIN Ming-Hui, LI Tao, SUN Kang

图5 岩浆(火成岩)系统全碱—硅(TAS)分类图 Ir—Irvine 分界线,上方为碱性,下方为亚碱性。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.5 Alkali-silicon (TAS) classification map of magma(igneous rock) system Ir—Irvine dividing line is alkaline at the top and sub-alkaline at the bottom. 1—peridot gabbro; 2a—alkaline gabbro; 2b—subalkaline gabbro; 3—gabbro diorite; 4—diorite; 5—granodiorite; 6—granite; 7—siliconite; 8—bellmanite; 9—dellmanite; 10—dellmanite; 11—quartzite diorite; 12—synorite; 13—parsonite gabbro; 14—para-feldspar diorite; 15—para-feldspar syenite; 16—para-syenite syenite; 17—para-long diorite; 18—neonite,phosphorite,coarse white garnet