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1·The mechanism of oxygen isotope exchange between alkali feldspar and fluid is mainly dissolution reprecipitation.

碱性长石流体的氧同位素交换机制主要是溶解再沉淀。

2·The alkali-rich intrusive rocks are mainly consisted of alkalic rocks and alkalic granites, also include the alkali feldspar granites.

富碱侵入岩主要包括碱性岩、碱性花岗岩，也包括碱含量高的碱长花岗岩。

3·The alkali feldspar granites studied belong to A2 on petrogenetic type, and should be formed in a post-collisional tensional environment.

这些碱长花岗岩在成因类型上属a2型，形成于后碰撞的张性环境中。

4·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、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。

5·The fine structure of natural alkali feldspar selected from the basalt in the Hannuoba district, China was investigated by means of high resolution electron microscopy(HREM).

利用高分辨电子显微镜观察了产于河北汉诺坝玄武岩中碱性长石的精细结构。

6·The sapphires are the product of early crystallization of alkali basalt magma and intergroom with clinopyroxene, feldspar, garnet and zircon megacrysts.

蓝宝石是碱性玄武岩浆早期结晶的产物，而且与单斜辉石、长石、石榴石和锆石巨晶共生。

7·The rare element - bearing granite from Limu is an alkali - feldspar granite. This paper describes characters of REE in the granites.

本文探讨了栗木稀有金属花岗岩稀土元素配分模式的特点。