山东惠民凹陷古近纪震积岩特征及其地质意义

袁静

山东惠民凹陷古近纪震积岩特征及其地质意义

袁静

石油大学(华东)地球资源与信息学院山东东营 257061

基金项目: 国家“十五”科技攻关项目(编号:2001BA605A09)资助

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作者简介:
袁静,女,1973年出生,副教授,博士,沉积学

中图分类号: P512.2;P534.61

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The Property and Geological Significance of Seismites of Paleogene in Huimin Sag,Shandong Province

YUAN Jing

College of Earth Resource and Information, University of Petroleum, Dongying Shandong 257061

摘要

摘要: 震积岩是具有古地震事件记录的岩层,讨论了在山东惠民凹陷古近纪陆源碎屑断陷湖盆砂泥质沉积中发现地震灾变事件的典型变形构造,包括微同沉积断裂和震裂缝、卷曲变形构造、水下岩脉和泄水构造、震积枕状及伴生构造等。在此基础上,建立了该区古近系碎屑岩震积岩垂向序列 :A段下伏未震层,B段微同沉积断裂层,C段微褶皱变形层,D段枕状构造及伴生构造层,E段液化均一层和F段上覆未震层。层序的完整性取决于剖面位置,地震震级,特别是发生地震处的岩性。根据震积岩的分布规律和沉积特征讨论了其地质意义 :震积岩集中发育在凹陷边界断层和中央断裂带附近,代表凹陷边界断裂和中央断裂强烈活动时期,有助于断陷盆地构造演化的动力学解释;可能是一种潜在的油气储层。
- 震积岩 /
- 地质意义 /
- 古近纪 /
- 山东惠民凹陷
Abstract: This paper discussed the sedimentary property, vertical sequence and geological significance of seismites of Paleogene in Huimin sag, Shandong Province. Seismite is a kind of catastrophic event rock, being the terrane with ancient earthquake records. Huimin sag was a fault lake in Paleogenein Bohaiwan basin. The sandstones and mudstones were the main sedimentary rocks with in the sag. Many typical deformation structures were caused by widespread earthquake in the sag. They were syn sedimentary microfactures (includingfault graded), seismic fissure bed, sandstone vein, water escape structure, "pillow structure", ball structure, convolute lamination, load structure and flame structure, etc. The vertical sequence of seismite of petroclastic rock in Paleogene in Huimin sag, from bottom to top, included 6 units: underlying unshocked layer, fissure layer, microfold layer, pillow structure and partner structure layer, liquefied homogeneous layer and overlying unshocked layer. Thecompletenessof the vertical sequence dependsonthe location of section, seismic level, especially the lithology. It is of important geologicalsignificance to study seismite. Most seismites in Paleogene in Huimin sag developed near the peripheral faults and central fault zone of the sag. The mass appearanceof seismites reflected the intensively active period of basin-controlling boundary faults, andcan be used to interpret the tectonic evolvement of fault basin. The seismites in fault basin can be likely reservoir for their specialtectonic location and structures.
- seismite /
- sedimentary property /
- geologicalsignificance /
- Paleogene Huiminsag

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参考文献(23)

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山东惠民凹陷古近纪震积岩特征及其地质意义

作者简介:
袁静,女,1973年出生,副教授,博士,沉积学

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The Property and Geological Significance of Seismites of Paleogene in Huimin Sag,Shandong Province

计量

目录

山东惠民凹陷古近纪震积岩特征及其地质意义

石油大学(华东)地球资源与信息学院山东东营 257061

作者简介:
袁静,女,1973年出生,副教授,博士,沉积学

English Abstract

The Property and Geological Significance of Seismites of Paleogene in Huimin Sag,Shandong Province

College of Earth Resource and Information, University of Petroleum, Dongying Shandong 257061

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山东惠民凹陷古近纪震积岩特征及其地质意义

作者简介: 袁静,女,1973年出生,副教授,博士,沉积学

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出版历程

The Property and Geological Significance of Seismites of Paleogene in Huimin Sag,Shandong Province

计量

出版历程

目录

山东惠民凹陷古近纪震积岩特征及其地质意义

石油大学(华东)地球资源与信息学院 山东东营 257061

作者简介: 袁静,女,1973年出生,副教授,博士,沉积学

English Abstract

The Property and Geological Significance of Seismites of Paleogene in Huimin Sag,Shandong Province

College of Earth Resource and Information, University of Petroleum, Dongying Shandong 257061

全文HTML

目录

友情链接

期刊在线

联系我们

作者简介:
袁静,女,1973年出生,副教授,博士,沉积学

石油大学(华东)地球资源与信息学院山东东营 257061

作者简介:
袁静,女,1973年出生,副教授,博士,沉积学