Devonian Sequence Stratigrapny and Formation and Evolution of Intraplatform Rift Trough in the Guangxi and Guizhou Area,China

Du Yuansheng; Gong Yiming; Wu Yi; Feng Qinglai; Liu Benpei

Guangxi and Guizhou in South Ghina are one of the famous Devonian distribution areas interestedby both Chinese and foreign geologists.By classification and correlation of sequence stratigraphy of morethan 10 sections in Guizhou and Guangxi.21 sequences and T- Rcycles were identified to correspond tothird- order sea- level changes.On the basis of the division, correlation and study of the framework ofsequences in the stable regions and rift trough in the Luofu, Dachang sections, Nandan County, the for-mation and evolution of the rift trough.Episodic tectono- setting mainly controlled the development andarchitectures of sequences in the rift trough were discussed.Episodic tectono- sequences recorded thedepositional response to the episodic tectono- setting of the rift trongh.

1 China University of Geosciences,Wuhan,430074;

2 Geological Institute of Guang Xi,Nanning,530023

Received Date: 1996-08-27

Publish Date: 1997-12-10

Key words:

South China /
Devonian /
sequence /
rift trough

Abstract: Guangxi and Guizhou in South Ghina are one of the famous Devonian distribution areas interestedby both Chinese and foreign geologists.By classification and correlation of sequence stratigraphy of morethan 10 sections in Guizhou and Guangxi.21 sequences and T- Rcycles were identified to correspond tothird- order sea- level changes.On the basis of the division, correlation and study of the framework ofsequences in the stable regions and rift trough in the Luofu, Dachang sections, Nandan County, the for-mation and evolution of the rift trough.Episodic tectono- setting mainly controlled the development andarchitectures of sequences in the rift trough were discussed.Episodic tectono- sequences recorded thedepositional response to the episodic tectono- setting of the rift trongh.

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Devonian Sequence Stratigrapny and Formation and Evolution of Intraplatform Rift Trough in the Guangxi and Guizhou Area,China

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