花岗结构

岩石呈细粒花岗结构，矿物成分为条纹长石、更长石、石英和黑云母。

The rock shows finegrained granitic texture and consists of perthite , oligoclase , quartz and biotite .

矿石为花岗伟晶结构，似文象结构和块状、条带状构造。

Ores are of pegmatite granites texture , graphic and massive , banded structure .

麻粒岩应具有花岗变晶结构和麻粒构造并含有紫苏辉石以及含>10%的斜长石。

The granulite always contains some hypersthene and > 10 % of plagioclase and possesses the granoblastic texture and granulitic structure .

花岗质熔体的结构特征与其产铀潜力

Structural characteristics of Granitic Melts and their U-PRODUCING potential

分析了三峡花岗岩石的岩相结构与矿物组成，测试了花岗岩中石英晶体特征五指峰图谱。

The Sanxia granite aggregates were determined in their petrography structures and mineral compositions ; the quintuplets of quartz of the aggregates were tested .