alkali feldspar

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。

Penglai basalt, an alkali basalt, consists of magnetite and those silicate minerals suchas olivine, augite and alkali feldspar.

蓬莱玄武岩是一种碱性玄武岩，由磁铁矿、橄榄石、普通辉石和碱性长石组成。

the large-porphyritic alkali-feldspar granite in mordaga area is the product of the first magmatic activity of ergun block.

莫尔道嘎地区巨斑状碱长花岗岩是额尔古纳地块最早的岩浆活动的产物。

The deposit is an alkali-feldspar granite type Ta deposit.

该矿床为碱性长石花岗岩型钽矿床.

X-ray studies of alkali feldspar phenocryst from alkaline lava at tianchi, Changbaishan

长白山天池碱性熔岩中碱性长石斑晶的X射线研究