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.
者通过研究，
出了异火山岩
中的火山成因矿床和未异基
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。
、词
类均由互联网资源自动生成，部
