porphyry ore deposit

• 斑岩型矿床

porphyry ore deposit的用法和样例：

例句

1. The Xiaosigou Cu-Mo ore deposit is a large-size porphyry deposit, and the geochemical anomalies in its periphery areas are distributed in groups and belts.
   摘要小寺沟铜钼矿为大型斑岩型矿床，其外围地球化学异常成群成带分布。