肖恩照;覃英伦;Muhammad Riaz;Khalid Latif;姚琳;王皓;

• 1:中国地质大学(北京)地球科学与资源学院

• 2:中国地质调查局油气资源调查中心

• 3:National Centre of Excellence in Geology

• 4:University of Peshawar

摘要(Abstract)：

为研究山西吕梁山地区寒武纪地层的地层学与沉积学问题,根据山西文水苍尔会剖面寒武系地层叠置关系,将该剖面寒武系地层划分为8个三级层序。基于沉积相的变化规律和地层叠置关系的旋回性研究结果,苍尔会剖面存在两个特殊的地层学与沉积学现象:下部为霍山组砂岩直接覆盖在太古宙变质岩系上,其较为良好的出露与明显的地层接触关系,为探讨山西中部霍山组砂岩的地层归属问题提供依据;在该剖面崮山组、长山组、凤山组中分别发育不同的均一石生物丘,代表华北地台寒武纪晚期—奥陶纪中期"随着后生动物辐射,微生物碳酸盐也在增加"微生物碳酸盐复苏期的基本沉积样式。在新的寒武纪年代地层框架下,对山西文水苍尔会剖面进行层序地层划分,不但为研究华北寒武系生物丘沉积组构多样性提供参考实例,同时也为探讨山西中部地区前寒武—寒武巨大的古地理变迁提供实例。

关键词(KeyWords)：寒武系;层序地层;霍山砂岩;淹没不整合;生物丘;苍尔会剖面

Abstract:

Keywords:

基金项目(Foundation):国家自然科学基金项目(41472090,40472065)

作者(Author):肖恩照;覃英伦;Muhammad Riaz;Khalid Latif;姚琳;王皓;

Email:

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