Mica Pegmatite

英 美
  • n.云母伟晶岩(岩浆岩)
    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。