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,分出了分火山岩中的火山成因和未分火山岩中的共,认为前者的金属聚集与岩浆分有密切关。
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,分出了分火山岩中的火山成因和未分火山岩中的共,认为前者的金属聚集与岩浆分有密切关。
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