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云贵高原次生氧化锰矿床^(40)Ar/^(39)Ar年代学研究:对晚中新世古气候、地貌演化的指示 被引量:1

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摘要 次生氧化锰矿一般是在热带或亚热带温暖潮湿气候条件下,含锰矿胚层中的锰矿物(如菱锰矿、蔷薇辉石、锰铝榴石等)在有利的构造条件和大气、水、生物等多种营力的综合作用下发生分解、氧化和锰的重新沉淀、富集而形成的(Var-entsov,1996;Ostwald,1988)。
出处 《矿物学报》 CAS CSCD 北大核心 2011年第S1期570-571,共2页 Acta Mineralogica Sinica
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