1) deformation zone of blueschists
蓝片岩变形带
2) blueschist belt
蓝片岩带
1.
The Qiangtang area is divided into two parts by the Gangmacuo-Shuanghu blueschist belt.
冈玛错-双湖蓝片岩带将羌塘地区一分为二,其南例为冈瓦纳型碳酸盐岩 拉斑玄武岩区,北侧为欧亚大陆型碳酸盐岩-碎屑岩区。
3) deformation zone of greenschists
绿片岩变形带
4) blueschist metamorphism
蓝片岩相变质
5) blue schist
蓝片岩
1.
Tongka garnet pyroxenite in eastern Tibet and Songduo blue schist in Lhasa block
藏东同卡石榴辉石岩和拉萨地体松多蓝片岩
6) blueschist
蓝片岩
1.
~(39)Ar-~(40)Ar geochronology of high-pressure/low-temperature blueschist and eclogite in the North Altyn Tagh and their tectonic implications;
北阿尔金HP/LT蓝片岩和榴辉岩的Ar-Ar年代学及其区域构造意义
2.
SHRIMP U-Pb dating of zircons from blueschist in the central part of the Qiangtang block,northern Tibet,China,and its implications;
藏北羌塘地块中部蓝片岩中捕获锆石SHRIMP U-Pb定年及其意义
3.
Blueschists are considered as the mark of plate tectonic boundary in the Gangmar -Taoxing Co area, central Qiangtang, Tibet.
青藏高原羌塘中部的冈玛日 -桃形错地区蓝片岩被认为是板块构造边界的产物 ,通过对其主量元素、微量元素和稀土元素的地球化学特征的综合研究 ,其原岩属于洋岛型碱性玄武岩。
补充资料:蓝闪石片岩
| 蓝闪石片岩 glaucophane schist 一种变质岩,属高压低温区域变质作用的产物。又称蓝片岩。主要由蓝闪石、钠闪石、硬柱石、硬玉、绿泥石、方解石等矿物组成。其原岩主要为基性火山岩和硬砂岩等。关于它的成因,一般认为是由于高温低压区域变质作用形成,板块学说则认为是由于大洋板块沿毕乌夫带向大陆板块下部俯冲的结果,也有人认为,其中一部分可能是钠质交代原岩的产物。 |
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