1) type of greestone belts
绿岩带类型
2) Greenstone belt gold deposits
绿岩带型金矿床
1.
The chinese greenstone belt gold deposits can be divided into two types.
绿岩带型金矿床是世界和我国重要的金矿床类型。
3) rift-type Archaean greenstone belt
裂谷型绿岩带
5) greenstone belt
绿岩带
1.
Intensity of reworking-A key factor for formation of large and superlarge gold deposits in greenstone belts and metamorphosed microclastic rocks of China;
改造强度──中国绿岩带及变质细碎屑岩系中大型及超大型金矿床成矿的关键条件
2.
With relatively high total gold background values,the strata of the greenstone belt in western Shandong are source beds of gold deposit.
山东鲁西地区绿岩带地层总体金背景值较高,是金矿形成的矿源层。
3.
The greenstone belt type gold deposit in the North China craton (NCC), one of the most important deposit types in China, is the major source of gold productions and reserves.
华北克拉通中绿岩带型金矿床是我国最重要的矿床类型之一 ,也是我国黄金产量和储量的主要来源 。
6) Ophiolite belt
蛇绿岩带
1.
It has been found and determined that the Yarlung Zangbo suture zone is a complete and classical suture zone composed of the Yarlung Zangbo ophiolite belt, mélange belt and high-pressure metamorphic belt, and the structures, compositions and characteristics of all the belts are depicted.
发现并确定雅鲁藏布缝合带为由雅鲁藏布蛇绿岩带、混杂岩带、高压变质带组成的一个完整而又精典的缝合带,精细刻画了各带的结构、组成及特征。
2.
This paper describes Early Car-boniferous and Early Permian radiolarian assemblages from the recently discovered XijinUlan-Gangqiqu ophiolite belt in Kekexili, Qinghai Province.
elongata,标本采自青海可可西里新发现的西金乌兰—冈齐曲蛇绿岩带。
补充资料：绿岩带
| 绿岩带 greenstone belt 蚀变或变质的基性火成岩带。通常指前寒武纪地盾中呈条带状分布的变质基性岩地区，如太古绿岩带等。一个绿岩带中可含有一层或几层基性火山-沉积变质产物。主要岩石类型有细碧岩、玄武岩、辉长岩和辉绿岩等。因变质作用生成的绿泥石、绿帘石、阳起石等矿物促使岩石普遍具有暗绿色。一套完整的绿岩地层，由早期的火山岩和晚期的以浊流沉积为主的碎屑沉积岩或火山碎屑沉积岩组成；火山岩下部以超基性-基性岩为主，并含有一层科马提岩（指一种超基性喷出岩），上部为钙碱性火山岩。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条