porphyry copper ore

• 斑岩型铜矿

porphyry copper ore的用法和样例：

例句

1. The porphyry copper metallogenic belt in Beishan area belongs to the Paleo Asia paleozoic porphyry copper metallogenic province.
   甘肃北山斑岩型铜矿成矿带属于世界古亚洲古生代斑岩带成矿域。