RESEARCH ON CARBONATE MICROFACIES IN MIOCENE ZHUJIANG FORMATION IN EAST PEARL RIVER MOUTH BASIN

FENG Lin; DENG Min; WEI Zhe; ZENG Yi; ZHOU Xiao-kang

2014 Vol. 20, No. 1

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FENG Lin, DENG Min, WEI Zhe, ZENG Yi, ZHOU Xiao-kang. RESEARCH ON CARBONATE MICROFACIES IN MIOCENE ZHUJIANG FORMATION IN EAST PEARL RIVER MOUTH BASIN[J]. Journal of Geomechanics, 2014, 20(1): 36-47.

Citation:

FENG Lin, DENG Min, WEI Zhe, ZENG Yi, ZHOU Xiao-kang. RESEARCH ON CARBONATE MICROFACIES IN MIOCENE ZHUJIANG FORMATION IN EAST PEARL RIVER MOUTH BASIN[J]. Journal of Geomechanics, 2014, 20(1): 36-47.

RESEARCH ON CARBONATE MICROFACIES IN MIOCENE ZHUJIANG FORMATION IN EAST PEARL RIVER MOUTH BASIN

1.
Research Institute of Sedimentary Geology, Chengdu University of Technology, Chengdu 610059, China
2.
State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu 610059, China
3.
Research Institute of Shenzhen Branch of China National Offshore Oil Corporation Limited, Guangzhou 510240, China

Received Date: 28 September 2013

Publish Date: 25 March 2014

Abstract

Abstract

Based on the microscopic observation and description of Paleontological characteristics and lithological features about the 1483 carbonate conventional or the casting thin sections, which come from the Miocene Zhujiang Formation in East Pearl River Mouth Basin, judging by our study of their particles, textures and structures, the carbonate rock of Zhujiang Formation can be divided into 8 main microfacies types, and according to their grain types and relative amount, these main microfacies can further be divided into 22 primary microfacies types. On the basis of the longitudinal combination features and environmental significances of these microfacies types, the carbonate rock of Zhujiang Formation can be divided into 6 sedimentary facies: carbonate ramp, restricted flatform, open platform, platform-margin shoal, platform margin reef and fore-platform slope. The vertical evolution of sedimentary facies reveals that, Dongsha uplift experienced the evolution from carbonate ramp to carbonate platform in the process of sea level rise in the early-Miocene.
- East Pearl River Mouth Basin /
- Zhujiang Formation /
- carbonatite /
- sedimentary facies /
- sedimentary microfacies

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References

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