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.
过研究,
出了
异火山岩系中
火山成因矿床和未
异基性火山岩系中
共生矿床,认为前
金属聚集与岩浆
异有密切关系。