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Characteristics of Lithofacies Paleogeography During Datangian Age (Early Carboniferous) in Xifeng and Zunyi, Guizhou
Author(s): 
Pages: 606-613
Year: Issue:  4
Journal: Acta Sedimentologica Sinica

Abstract: 在前人取得岩石学、矿物学及古生物-古生态学实际资料的基础上,应用现代沉积学的理论与方法,通过指相微量元素、古盐度及同位素等测试成果分析,对大塘期岩相古地理特征进行了综合研究.认为大塘期沉积的含铝岩系下段粘土岩属海相沉积,上段铝质岩属海陆过渡相沉积,顶部为大陆湖沼相沉积.表明大塘期的沉积环境,是在海侵早期所形成的陆表海基础上,逐步发展成淡化泻湖形成粘土岩沉积,随着泻湖淡化程度的强化,泻湖范围缩小,盐...
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