珠江口盆地白云凹陷底辟构造类型及其成因

石万忠; 宋志峰; 王晓龙; 孔敏

Volume 34 Issue 5

Sep. 2009

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SHI Wan-zhong, SONG Zhi-feng, WANG Xiao-long, KONG Min, 2009. Diapir Structure and Its Origin in the Baiyun Depression, Pearl River Mouth Basin, China. Earth Science, 34(5): 778-784.

Citation:

SHI Wan-zhong, SONG Zhi-feng, WANG Xiao-long, KONG Min, 2009. Diapir Structure and Its Origin in the Baiyun Depression, Pearl River Mouth Basin, China. Earth Science, 34(5): 778-784.

SHI Wan-zhong, SONG Zhi-feng, WANG Xiao-long, KONG Min, 2009. Diapir Structure and Its Origin in the Baiyun Depression, Pearl River Mouth Basin, China. Earth Science, 34(5): 778-784.

Citation:

SHI Wan-zhong, SONG Zhi-feng, WANG Xiao-long, KONG Min, 2009. Diapir Structure and Its Origin in the Baiyun Depression, Pearl River Mouth Basin, China. Earth Science, 34(5): 778-784.

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Diapir Structure and Its Origin in the Baiyun Depression, Pearl River Mouth Basin, China

Faculty of Earth Resources, China University of Geosciences, Wuhan 430074, China

Received Date: 2008-12-03
Publish Date: 2009-09-25

Abstract

Abstract

As one of the most important offshore basins in China, there exist many different kinds of fluid diapirs in the Pearl River Mouth basin, which have been introduced in some papers.However, the systemic study of these diapirs is still to be expected on its classification and origin, which can understand fluid migration better.Fluid diapir structure is a special style of fluid migrating upwards.The aim of this paper is to identify and classify the fluid diapir structure, to analyze the messages implied by the fluid diapir structure, to find out a new method of evaluating the fluid diapir structure characterized by the blank seismic reflection, and to discuss the origin of the diapirs according to basin modeling and structure analysis.On the basis of the investigation, we can come to the following conclusions: (1) There are four kinds of diapirs in the Pearl River Mouth basin including the turtleback-like arch, mud diapir, gas seepage, fault (or crack), which indicate different geological messages; (2) Structure activity rather than the overpressure is the primary driving pressure on diapirs.
- diapir,
- basin modeling,
- diapir origin,
- Baiyun depression,
- Pearl River Mouth basin

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References(18)

References

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Diapir Structure and Its Origin in the Baiyun Depression, Pearl River Mouth Basin, China

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