断陷盆地构造作用与层序样式
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P542.3 P53

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国家自然科学基金(编号49302030),地质矿产部重大基础项目(编号8502204)


TECTONISM AND SEQUENCE PATTERNS OF DOWN-FAULTED BASINS
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    摘要:

    我国东部大多数中新生代含煤和含油气盆地是陆相断陷盆地,其层序形成和演化主要受控于幕式构造作用。笔者通过典型断陷盆地层序层的研究,根据构造沉降及其可容空间变化特点,提出了拉张型,挤压型,走滑-伸展型和热沉降型四种层序样式,并总结了各种层序中体系域构成特点,概括了多幕裂陷型,断坳转化型和走滑-伸展型三种层序地层格架模式。

    Abstract:

    Most Mesozoic-Cenozoic coal- and petroleum-bearing basins in eastern China are continental down-faulted basins, in which the formation and evolution of the sequence are mainly controlled by episodic tectonism. Based on a study of the sequence stratigraphy of some typical down-faulted basins, four sequence patterns have been identified according to the features of tectonic subsidence and its accomondation space; extensional (or tenso-shear), compressional (or compresso-shear), strike-slip-extensional and thermal subsidence patterns, each of which has its own characteristics of internal composition of system tracts. According to the characteristics of rift-filling sequence, three types of sequence stratigraphic framework have been recognized: polyphase rifting type, the type of transformation from rifting to depression, and strike slip-extensional type.

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解习农 任建业.1996.断陷盆地构造作用与层序样式[J].地质论评,42(3):239-,[DOI].
Xie Xinong, Ren Jianye, Jiao Yangquan, Ge Ligang.1996. TECTONISM AND SEQUENCE PATTERNS OF DOWN-FAULTED BASINS[J]. Geological Review,42(3):239-.

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