Mica Pegmatite

• n. 云母伟晶岩(岩浆岩)

Mica Pegmatite的用法和样例：

例句

用作名词 (n.)

1. As with other mines containing pegmatite rocks, Brazilian Alexandrite is found in rugged areas that can be difficult to access.
   如其它含有伟晶岩的矿藏一样，巴西亚历山大石也只能在难以到达的崎岖地区所发现。
2. Li- Be-Ta-Nb-bearing deposits in Lianyun Mountain occurred in Shangshi on the south wing of Lianyun Mountain anticline, the densely distributed pegmatite area.
   连云山上石含锂铍钽铌矿床位于连云山背斜南翼上石伟晶岩密集区，其地层为板溪群二云母片岩。