郭来源;解习农;陈慧;

• 1:中国地质大学构造与油气资源教育部重点实验室

摘要(Abstract)：

碳酸盐岩沉积物记录了环境演变、古气候变迁以及后期成岩环境等重要的指示信息,同时碳酸盐岩也是重要的油气地质储集体,因而受到人们的普遍关注。碳酸盐岩不整合暴露面通常发育3层结构:风化土壤层带、半风化岩石带、原岩带。相比而言,半风化岩石带碳酸盐岩成岩作用比碎屑岩更为复杂,尤其是沉积物埋藏后的抬升,使之再次暴露,导致碳酸盐岩形成复杂的成岩响应。系统总结了碳酸盐岩埋藏后的抬升暴露所形成的与古暴露面相关的成岩现象,分别从风化带古土壤、半风化带与暴露面相关的成岩结核、古岩溶以及角砾岩化等方面阐述了与古暴露面相关的标志特征及其形成机制,从而为碳酸盐岩中古暴露面的识别提供充足的地质依据。

关键词(KeyWords)： 碳酸盐岩;古土壤;结核;古岩溶;角砾岩

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金项目(91028009);; 国家重大油气专项(2011ZX05025-002-02);; 湖北省自然科学基金重点项目(2008CDA095)

作者(Author): 郭来源;解习农;陈慧;

Email:

DOI:

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