STRUCTURAL DEFORMATION CHARACTERISTICS OF THE KALPIN THRUST BELT ON THE NORTHWESTERN MARGIN OF THE TARIM BASIN

MA De-ming; CHEN Jiang-li; ZENG Chang-min; SHANG Xin-lu; SHI Jun; ZHANG Xian-jun; JING Bing

2007 Vol. 13, No. 4

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MA De-ming, CHEN Jiang-li, ZENG Chang-min, SHANG Xin-lu, SHI Jun, ZHANG Xian-jun, JING Bing. STRUCTURAL DEFORMATION CHARACTERISTICS OF THE KALPIN THRUST BELT ON THE NORTHWESTERN MARGIN OF THE TARIM BASIN[J]. Journal of Geomechanics, 2007, 13(4): 340-347.

Citation:

STRUCTURAL DEFORMATION CHARACTERISTICS OF THE KALPIN THRUST BELT ON THE NORTHWESTERN MARGIN OF THE TARIM BASIN

1.
Department of Non-seismic Exploration, BGP, Zhuozhou 0727751, Hebei, China
2.
Geophysical Explorat ion Company, Sichuan Petroleum Bureau, PetroChina, Chengdu 610213, Sichuan, China
3.
Research Institute of Exploration and Development, Tarim Oi lfield Company, PetroChina, Korla 841000, Xinjiang, China

Received Date: 15 September 2006

Publish Date: 25 December 2007

Abstract

Abstract

The Kalpin thrust belt, located at the NW margin of the Tarim basin, is a part of the southern South Tianshan marginal thrust system.On the basis of field investigation and seismic section interpretation, the Kalpin thrust belt has the following structural deformation characteristics:the thrust belt occurs in Paleozoic strata; the major detachment fault occurs in a Middle Cambrian gypsum-salt lay er; the thrust sheets are imbricate; various thrust fronts are subaerially exposed; fault propagation folding and piggyback thrusting are found; and the thrust belt formed during the Pliocene-Holocene. According to the reconstructed balanced section, the minimal shortening rate of the thrust belt is 29.1%-40.7%.
- Kalpin thrust belt /
- Tarim /
- South Tianshan /
- seismic section /
- balanced section /
- structural deformation

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References

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