MICROSTRUCTURAL STUDIES OF FAULT GOUGE FROM XIANGSHAN-TIANJINGSHAN FAULT ZONE AND THEIR ENGINEERING GEOLOGICAL SIGNIFICANCE

Zhang Bingliang; Liang Xiaohua; Jiang Pu

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Zhang Bingliang, Liang Xiaohua, Jiang Pu. 1996: MICROSTRUCTURAL STUDIES OF FAULT GOUGE FROM XIANGSHAN-TIANJINGSHAN FAULT ZONE AND THEIR ENGINEERING GEOLOGICAL SIGNIFICANCE. JOURNAL OF ENGINEERING GEOLOGY, 4(3): 47-52.

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MICROSTRUCTURAL STUDIES OF FAULT GOUGE FROM XIANGSHAN-TIANJINGSHAN FAULT ZONE AND THEIR ENGINEERING GEOLOGICAL SIGNIFICANCE

Institute of Geologs. SSB. Beijing 100029

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Received Date: 1996-05-05
Publish Date: 1996-08-22

Abstract

Abstract

Fault movement has a complex and variable pattern and one segment of a great faultzone is usually a unit of rupture. In order to meet the needs for major engineering projects and strong earthquake predication, It is necessary to lacate which segment of a fault zone is active. We propose in this paper that the movement of middle segment of Xiangshan-Tianjingshan fault zone is mainly stick-slip and both its eastern and western segments show mainly stable-slip. On the basis of microstructural characteristics of fault gouge and the segment geometry.
- Fault segment,
- Microstructure,
- Fault gouge,
- Clay minerals

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References(1)

References

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[3] Kadinsky-cade etal, Effects of Restraining Bends on the Rupture of strike-slip Earthquakes. U. S. Geol. Surv.open-file Rep. 1, 989一315. 181-189.

[4] Moore et. al, 1989, Sliding behavior and deformation textures of heated illite gouge, Jour stru Geol. 329-342.

[5] Logan etal. 1979, Experimental stydies of simulated gouge and their application of studies of natural fault zone.U. S. Geol. surv. open-File Rep. 1239, 305-343.

[6] 张秉良等, 1993.活断层中断层泥的显徽结构特征及其意义.科学通报, 38(14).

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