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，分出了分异火山岩系中
火山成因矿床和未分异基性火山岩系中共生矿床，认为前者金属聚集与岩浆分异有密切关系。
、词性分类均由
资源自动生成，部分未经过人工审核，其表达内容亦不代表本软件
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