greisen

基本解释

Tungsten mineralization types in Yaoling zone are divided into quartz vein,greisen,altered granite and placer.
瑶岭钨矿带钨矿成因类型有石英脉(带)型、云英岩型、蚀变花岗岩型和砂矿床。
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。
The deposit types include the greisen type,altered granite type,fractured zone alteration type and greisen-quartz vein type.
矿床类型包括云英岩体型、破碎带蚀变岩型、变花岗岩型和云英岩-石英脉型等4类。
The Dasongpo tin field is the typical representative of greisen tin deposit in west Yunnan,The orebodies are occurred as the vein group in NNW subordinate structural fractures.
大松坡锡矿是滇西云英岩型锡矿的典型代表。矿体产于燕山晚期花岗岩体内的次级NNW向构造裂隙带中,呈脉状成群产出。
In this paper is given an example of tabular cry stal of beryl from the Xubaodi ng greisen, which merits a study of IR and Raman spectra and comparisons with tw o prismatic crystal samples of beryl from Xuebaoding quartz vein and Altai pegma tite.
对产于四川雪宝顶云英岩晶洞中的无色透明板状绿柱石及产于雪宝顶蒲口坡石英脉中的绿柱石进行了红外和拉曼光谱分析 ,并与产于阿尔泰三号伟晶岩脉中的柱状绿柱石进行了比较。