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.
笔通过研究,分出了分异火山岩
中的火山成因矿
分异基性火山岩
中的共生矿
,认
的金属聚集与岩浆分异有密切关
。