volcanogenic

The volcanogenic deposits hosted in differential yolcanic rock series and cogenetic deposits hosted in undifferential baste volcanic rock series have been divided and studied in this paper.

笔者通过研究，出了异火山岩中的火山成因矿床和未异基性火山岩中的共生矿床，认为前者的金属聚集与岩浆异有密切关。