greisen

greisen

美 ['graɪzən] 　英 ['graɪzn]

• n.【地】云英岩
• 网络可调接触；英云岩；格雷森

英汉解释

n.

1. 【地】云英岩

英英解释

n.	1. a granite-derived rock consisting of mica and quartz

例句

Although there are 60 tin-bearing greisen veins, only a few of them form the main ore bodies.

共圈出含锡云英岩脉60余条，但主矿体却只有少数几条。

Structural ore-controlling characteristics of the greisen body-type tungsten-tin mineralization in Da'ao area, Hunan province

湖南大坳矿区云英岩体型钨锡矿化构造控矿特征