卢勉;陈友智;吴高平;彭伟;王丽丽;

• 1:大庆油田有限责任公司勘探开发研究院

• 2:浙江大学地球科学系

• 3:大庆油田有限责任公司第九采油厂

• 4:江汉油田勘探开发研究院

摘要(Abstract)：

鄂尔多斯盆地南缘中元古代处于拉张期,发育多裂谷系.分析鄂尔多斯盆地野外地质调查、物探和钻井等资料,划分沉积相剖面,研究沉积演化及相类型.结果表明:盆地南缘中元古代沉积陆相三角洲至海陆过渡相的长城系与滨浅海至深海盆地相的蓟县系,并于蓟县系中发现液化底劈构造、震褶岩、震裂岩、震浊积岩、津浪丘状层和风暴岩等震积岩序列单元;沉积水体逐渐加深,为裂谷非补偿型沉积,蓟县系中存在震积岩序列,反映该区中元古代盆地南缘处于裂谷带内,受裂陷作用持续影响.通过沉积相及震积岩序列划分耦合裂谷说,为区域构造研究提供佐证.

关键词(KeyWords)：裂谷;震积岩;沉积相;中元古代;鄂尔多斯盆地

Abstract:

Keywords:

基金项目(Foundation):中国博士后基金项目(2012M521160)

作者(Author):卢勉;陈友智;吴高平;彭伟;王丽丽;

Email:

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