1.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.
1.笔者通过研究,异火
中的火
因矿床和未
异基性火
中的共生矿床,认为前者的金属聚集与
浆
异有密切关
。