黄骅盆地南部前第三系基底中的逆冲构造

漆家福; 杨池银

Volume 28 Issue 1

Jan. 2003

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QI Jia-fu, YANG Chi-yin, 2003. Thrust Structure Developed in Pre-Tertiary Basement in South Area of Huanghua Basin. Earth Science, 28(1): 54-60.

Citation:

QI Jia-fu, YANG Chi-yin, 2003. Thrust Structure Developed in Pre-Tertiary Basement in South Area of Huanghua Basin. Earth Science, 28(1): 54-60.

QI Jia-fu, YANG Chi-yin, 2003. Thrust Structure Developed in Pre-Tertiary Basement in South Area of Huanghua Basin. Earth Science, 28(1): 54-60.

Citation:

QI Jia-fu, YANG Chi-yin, 2003. Thrust Structure Developed in Pre-Tertiary Basement in South Area of Huanghua Basin. Earth Science, 28(1): 54-60.

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Thrust Structure Developed in Pre-Tertiary Basement in South Area of Huanghua Basin

QI Jia-fu¹,
YANG Chi-yin²

1.
Key Laboratory for Hydrocarbon Accumulation, Ministry of Education, Beijing 102249, China
2.
Research Center of Geological Exploration and Development, Dagang oilfield Corporation of Petrochina, Tianjin 300280, China

Received Date: 2002-02-05
Publish Date: 2003-01-25

Abstract

Abstract

Thrust structure widely developed in pre-Tertiary basement in south area of Huanghua basin. There are 6 structural styles in section which includes (1) snakehead and imbricate fan, (2) stack antiform, (3) duplex, (4) blind thrust in low angle or interbeds, (5) triangle zone and (6) high-angle thrust-domino. In the plane view, there are almost 5 parallel thrust zones striking in NE-NNE. The names are given respectively by (1) Cangdong thrust zone, (2) Kongxi thrust zone, (3) Wumaying thrust zone (4) Xuhei thrust zone and Chenxi thrust zone from west to east. In the west part, the thrust structure dominates the styles of snakehead, imbricate fan and stack antiform. In the middle part, the thrust structure dominates the styles of duplex, blind thrust in low angle or interbeds and pop-up and triangle zone. In the east part, the thrust structure dominates the styles of thrust-domino. Most of the thrust faults are dip to SEE (southeast-east) and the structural styles show the detachment of the thrust faults become deeper toward southeast. Possibly, all of the thrusts linked a large-scale thrust system whose direction is from SE-SEE to NW-NWW. The strata involved the thrust system mainly include Paleaozoic group and Lower-Middle Triassic but some leading thrusts have put in the Jurassic. We confer the thrust system was formed before Jurassic and after Triassic, and progressive thrust happened during Early-Middle Jurassic. The thrust system superposed extensional and right-lateral strike-slip tectonics during Cenozoic. Some sections of Cangdong fault which was controlling the formation of Huanghua basin during Tertiary were thrust faults during pre-Tertiary.
- thrust structure,
- structural style,
- pre-Tertiary,
- Huanghua basin

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References(6)

References

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