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dian dong qian xi wan er die shi han mei chen ji zhong huo shan hui shi bian xing cheng de yi li shi zhan tu yan jia zuo
Author(s): 
Pages: 85-93
Year: Issue:  4
Journal: Acta Sedimentologica Sinica

Keyword:  粘土岩夹矸火山凝灰伊利石高岭石晚二叠世中国西南;
Abstract: 本文对广泛分布于滇东-黔西晚二叠世含煤沉积中粘土岩夹矸的岩石学、矿物学、化学组成和微量元素进行了研究。发现粘土岩夹矸的变种伊利石粘土岩夹矸(Illite-tonstein)在沉积盆地空间上成片分布,且与晚期成岩作用有明显的成因联系。粘土岩夹矸中粘土矿物构成与煤阶大体对应的关系,揭示了同沉积火山凝灰蚀变产物的后期变化趋势和规律。
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