【摘要】 为了探究黑色页岩风化过程中微量元素的活动规律，利用富集系数分析了微量元素在基岩、风化黑色页岩、黑色页岩土壤中元素组成特征，借助质量迁移系数分析了微量元素的活动性特征.结果表明，基岩中更富集V、U,Ge、Sr,亏损Mn; Ni、Zn、Pb、Ba、Cs、Sc、Th、Rb在风化岩石中更富集；高场强在基岩中轻微亏损；Cr、Co、Cu、Ga等在基岩、风化黑色页岩、黑色页岩土壤中无明显差异.U、Pb、V、Ni等元素在黑色页岩风化过程中活动性较强；Co、Cu、Zn、Mn、Ge等活动性中等；Ti、Zr、Hf、Nb、Ta、Cr、Ga、Cs、Sc、Th等活动性较弱.更多还原

【Abstract】 This paper aims to explore the mobility of trace elements during weathering of black shales.Enrichment factor was used to analyze the composition characteristics of trace elements in bedrocks, weathered black shales and black shale soils, and mass transfer coefficient was used to analyze the mobility of trace elements during weathering of black shales.The results show that bedrocks are more enriched in V,U,Ge and Sr, more loss of Mn.The weathered black shales are more enriched in Ni, Zn, Pb, Ba, Cs, Sc, Th and Rb.The high field strength elements are slightly lost in the bedrocks.There are no significant differences for Cr, Co, Cu and Ga between bedrocks, weathered black shales and black shale soils.Elements such as U.Pb, V and Ni showed strong mobility during weathering of black shales, while Co, Cu, Zn, Mn, Ge showed moderately strong mobility, and Ti, Zr, Hf, Nb, Ta, Cr, Ga, Cs, Sc and Th showed weak mobility.更多还原