鄂尔多斯盆地延长组湖盆中部长6厚层砂体成因分析

Geology in China(2008)

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Abstract
笔者对鄂尔多斯盆地湖盆中部地区延长组长6物源分析、沉积相类型、坡折带控砂、砂体分布规律等进行了研究.东北、西南两大物源提供了充足的物质基础,发育三角洲牵引流作用的沉积砂岩和重力搬运的浊积砂岩,主要为叠置水下分流河道、河口砂坝-水下分流河道和滑塌浊积岩等不同类型的砂体组合,形成了垂直湖岸线和平行湖岸线展布的巨型厚砂岩分布带.
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Key words
Central part of the lake basin,Ordos,Origin of sand body,Turbidite
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