porphyrite

英['pɔːfɪraɪt] 美['pɔːfɪraɪt]
  • [地质]玢岩;微闪长岩
    1. The three ore belts of Kubusu gold deposit all were preduced in dikes of diorite porphyrite and granodiorite porphyry.
      库布苏金矿床的三个金矿带均产于闪长玢岩和花岗闪长斑岩内。