南沙海区曾母盆地地层系统

周蒂; 孙珍; 杨少坤; 林鹤鸣

doi:10.3799/dqkx.2011.081

Volume 36 Issue 5

Sep. 2011

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ZHOU Di, SUN Zhen, YANG Shao-kun, LIN He-ming, 2011. The Stratigraphic System of the Zengmu Basin, Southern South China Sea. Earth Science, 36(5): 789-797. doi: 10.3799/dqkx.2011.081

Citation:

ZHOU Di, SUN Zhen, YANG Shao-kun, LIN He-ming, 2011. The Stratigraphic System of the Zengmu Basin, Southern South China Sea. Earth Science, 36(5): 789-797. doi: 10.3799/dqkx.2011.081

ZHOU Di, SUN Zhen, YANG Shao-kun, LIN He-ming, 2011. The Stratigraphic System of the Zengmu Basin, Southern South China Sea. Earth Science, 36(5): 789-797. doi: 10.3799/dqkx.2011.081

Citation:

ZHOU Di, SUN Zhen, YANG Shao-kun, LIN He-ming, 2011. The Stratigraphic System of the Zengmu Basin, Southern South China Sea. Earth Science, 36(5): 789-797. doi: 10.3799/dqkx.2011.081

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The Stratigraphic System of the Zengmu Basin, Southern South China Sea

doi: 10.3799/dqkx.2011.081

1.
CAS Key Laboratory of Marginal Sea Geology, South China Sea Institute of Oceanology, Guangzhou 510301, China
2.
Exploration Department, China National Offshore Oil Corporation Limited, Shenzhen 518067, China

Received Date: 2011-05-10
Publish Date: 2011-09-15

Abstract

Abstract

The Zengmu basin is a well-studied hydrocarbon-bearing basin in the Nansha area of the southern South China Sea.The stratigraphic system of the Zengmu basin has been an important element for building regional stratigraphic system.However, the large thickness and quick changes of the strata facies have made it difficult and controversial to divide and date the basin.In order to provide basis for stratigraphic division and correlation in hydrocarbon exploration, we analyze existing data from wells and seismic profiles as well as proposed stratigtraphic columns, and propose a stratigraphic system that is comparable with that used in the exploration of the northern South China Sea.This system combines the numbering system of the CNOOC and the nomenclature of the GMGS, and date the stratigraphic boundaries with existing wells and cross-well seismic profiles.The strata above the basement are divided into four formations and one group (the Zengmu, Lidi, Haining, and Nankang Formations, and the Beikang Group), which are bottomed by five unconformities (T_g, T₆₀, T₄₀, T₃₂, and T₃₀).In order to facilitate the application of this stratigraphic system, the comparison of this scheme with other schemes is also presented, and facies changes within a formation and characteristic unconformities between formations are demonstrated by seismic profiles.
- stratigraphic division and correlation,
- unconformities,
- Zengmu basin,
- South China Sea,
- Nansha Sea area,
- stratigraphy,
- marine geology

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References(22)

References

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