conformation background

英 美
  • 构造背景
    1. This paper researches into magma origin and minerogenetic geotectonic background of porphyry in the Gonpoquan copper ore district.
      探讨了公婆泉矿区斑岩岩浆起源,论述了该矿区斑岩成岩成矿大地构造背景。