青海聚乎更矿区侏罗纪含煤岩系层序地层研究A Sequence Stratigraphic Discussion of the Jurassic Coal Measures in the Juhugeng Coalmine Area in Qinghai Province
文怀军,鲁静,尚潞君,刘天绩,陈江峰,鞠崎,邵龙义
摘要(Abstract)：
运用钻井岩心及层序地层学有关理论、方法,对木里煤田聚乎更矿区中侏罗统含煤岩系进行了层序地层学研究。共识别包括区域不整合面、河流下切谷及河道间6个层序界面,将侏罗系含煤岩系划分为5个三级层序。全区发育的厚煤层常横跨不同相区连续分布(如下1煤层),厚煤层的形成主要受控于可容空间的增加速率与泥炭堆积速率的关系。陆相含煤盆地三级层序湖侵体系域聚煤作用最好,煤层厚度的变化则与煤层下伏沉积相有一定关系。
关键词(KeyWords)： 层序地层;层序界面;湖侵体系域;聚乎更矿区
基金项目(Foundation):
作者(Author): 文怀军,鲁静,尚潞君,刘天绩,陈江峰,鞠崎,邵龙义
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