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，分出了分异火山岩中的火山成因矿床和未分异基性火山岩中的共矿床，认为前者的金属聚集与岩浆分异有密切关。