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2.A light-colored igneous rock consisting essentially of alkali feldspar.
粗面岩一种浅色火成岩，主要由碱长石构成收藏指正
3.The Penshan granitic body is a calc-alkaline pluton composed of muscovite alkali granite,two-mica alkali feldspar granite and biotite adamellite.
彭山岩体是由白云母碱长花岗岩、二云母碱长花岗岩和黑云母二长花岗岩组成的钙碱性花岗复式岩体。收藏指正
4.EPR STUDY ON EXCHANGE KINETICS OF FE~(3+) OVER THE TETRAHEDRAL POSITIONS IN ALKALI FELDSPAR
碱性长石中Fe~(3+)在四面体位置间交换动力学的EPR研究收藏指正
5.The metamorphosed volcanic rock of the upper member of the Haizhou group is rich in alkali-feldspar (60 to 70%) and high potash feldspar (35 to 60%).
苏北海州群云台组上段变火山岩富含碱性长石(60-70％)和钾长石(35-60％),黑云母为富铁黑云母,部分火山岩含霓辉石、萤石等.收藏指正
6.The core is generally composed of a single alkali feldspar grain characterized by Or 95～84, Karlsbad twin and perthitic texture.
钾长石内核呈肉红色 ,一般是由单颗粒组成 ,具卡氏双晶 ,普遍发育规则的条纹结构 ; 中心部分钾长石分子含量Or为 95 ,边部为 84。收藏指正
7.THE COMPARISON OF DIFFERENT METHODS (INFRARED SPECTRUM, X-RAY DIFFRACTION ANALYSIS AND OPTICAL ANALYSIS) FOR DETERMINING THE ORDER-DEGREE OF ALKALI-FELDSPAR
测定碱性长石有序度的红外光谱法、X光衍射法和光学方法的对比收藏指正
8.However, the later stage (Cretaceous) intrusive rocks are composed of alkali feldspar quartz syenite, quartz synenite, quartz monzonite, alkali feldspar granite and K feldspar granite, with higher SiO 2, Na 2O+K 2O and K 2O, but lower Al 2O 3, Na 2O/K 2O than those of earlier stage intrusive rocks;
晚期 (白垩纪 )侵入岩由碱长石英正长岩、石英正长岩、石英二长岩、碱长花岗岩、钾长花岗岩构成 ,以钾玄岩系列岩石为主 ; 比早期岩石富SiO2 ,低Al2 O3、富Na2 O +K2 O和K2 O ,但低Na2 O/K2 O ;收藏指正
9.A mineral assemblage of quartz +alkali feldspar +mica +fluorite, coexisting with melt phase, is obtained in the melting crystallization experiments above solidus in the F rich granite HF H2O system at 570～700℃and 100 MPa.
通过花岗岩-HF-H2O体系的熔化-结晶实验,在570～700℃、100MPa条件下获得了与淬火玻璃共存的石英+碱性长石+云母+萤石的矿物组合。收藏指正
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