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横断山不同成因类型花岗岩类岩石中黑云母的标型特征
引用本文:谢应雯,张玉泉.横断山不同成因类型花岗岩类岩石中黑云母的标型特征[J].矿物学报,1987(3).
作者姓名:谢应雯  张玉泉
作者单位:中国科学院地球化学研究所 贵阳 (谢应雯),中国科学院地球化学研究所 贵阳(张玉泉)
摘    要:本文研究了横断山区不同成因类型花岗岩类岩石中黑云母的化学成分、微量元素、结构和物理性质等。结合花岗岩类岩石的成因类型,将黑云母分为三个亚种:富镁黑云母(MF=1.3—1.5)、镁黑云母(MF=1—1.3)和富铁黑云母(MF=0.5-1)。

关 键 词:黑云母  花岗岩  矿物标型特征  横断山区

TYPOMORPHIC PECULIARITIES OF BIOTITES FROM DIFFERENT GENETIC TYPES OF GRANITE IN THE HENGDUANSHAN REGION
Xie Yingwen,Zhang Yuquan Institute of Geochemistry,Academia,Sinica,Guiyang.TYPOMORPHIC PECULIARITIES OF BIOTITES FROM DIFFERENT GENETIC TYPES OF GRANITE IN THE HENGDUANSHAN REGION[J].Acta Mineralogica Sinica,1987(3).
Authors:Xie Yingwen  Zhang Yuquan Institute of Geochemistry  Academia  Sinica  Guiyang
Abstract:The chemical compositions, trace elements, structures and physical prope-rties of biotites from different genetic types of granite in the HengduanshanRegion have been studied in this paper. Based on their chemical compositions,these biotites can be divided into three subspecies: magnesium-rich biotite (MF=1. 3-1. 5), magnesio-biotite (MF=1. 0-1. 3), and iron-rich biotite(MF=0. 5-1. 0). Each of them has its own features and is closely related to the originof the granites. Therefore, biotite is one of the most useful typomorphicminerals for the different genetic types of granite.
Keywords:biotite  granite  typomorphic characteristics of minerals  Hengduanshan Region
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