邓浩博;田景春;张翔;孟万斌;苏炳睿;杨培星;曾建强;

• 1:成都理工大学沉积地质研究院

• 2:成都理工大学油气藏地质及开发工程国家重点实验室

摘要(Abstract)：

根据磷矿沟和什艾日克野外剖面资料观测及薄片分析,结合沉积学理论研究震旦系沉积环境,分析塔里木盆地西北缘阿克苏地区震旦系沉积相特征及沉积模式。结果表明:研究区震旦系可识别无障壁海岸、碎屑有障壁海岸、混积滨岸和碳酸盐缓坡4类沉积相,进一步划分为4个亚相(前滨、碎屑岩潮坪、碳酸盐岩潮坪及浅滩)和11个微相(泥坪、砂坪、云坪、混合坪、潮道、风暴潮道、砂屑滩、藻屑滩、颗粒滩、潮间藻席、潮间藻席及叠层石)。纵向上具有碎屑岩、碎屑岩—碳酸盐岩、碳酸盐岩的沉积演化特征,符合震旦纪由裂谷盆地向坳陷盆地的构造演化规律。在研究区震旦系建立碎屑岩潮坪—混积滨岸—碳酸盐岩缓坡的沉积模式。该结果为研究区古地理重建与震旦系油气勘探提供参考。

关键词(KeyWords)：塔里木盆地西北缘;阿克苏地区;震旦系;沉积相;沉积演化;沉积模式

Abstract:

Keywords:

基金项目(Foundation):中国石油化工股份有限公司科技开发项目(P17046-4);中国石油化工股份有限公司科技开发项目(P16089)

作者(Author):邓浩博;田景春;张翔;孟万斌;苏炳睿;杨培星;曾建强;

Email:

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