Late quaternary seismic sequences and sedimentation along the coast off Taishan, Guangdong, as revealed by high resolution seismic data

Wu Shi-guo; H. K. Wong

doi:10.1007/BF02848858

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Late quaternary seismic sequences and sedimentation along the coast off Taishan, Guangdong, as revealed by high resolution seismic data

Updated：2023-05-16

- Late quaternary seismic sequences and sedimentation along the coast off Taishan, Guangdong, as revealed by high resolution seismic data
- Journal of Oceanology and Limnology Vol. 20, Issue 3, Pages: 270-276(2002)
- Affiliations：
  
  1. Institute of Oceanology Chinese Academy of Sciences
  2. Institute of Biogeochemistry and Marine Chemistry
- Author bio：
- Funds：
- DOI：10.1007/BF02848858
  CLC：
- Published：2002
- Accepted：
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Shi-guo, W., Wong, H.K. Late quaternary seismic sequences and sedimentation along the coast off Taishan, Guangdong, as revealed by high resolution seismic data., Chin. J. Ocean. Limnol. 20, 270–276 (2002). https://doi.org/10.1007/BF02848858
DOI：

Shi-guo, W., Wong, H.K. Late quaternary seismic sequences and sedimentation along the coast off Taishan, Guangdong, as revealed by high resolution seismic data., Chin. J. Ocean. Limnol. 20, 270–276 (2002). https://doi.org/10.1007/BF02848858 DOI：

摘要

Abstract

Seismic stratigraphic analysis of 150 km of high-resolution seismic profiles (GEOPULSE and 3.5 kHz) obtained along the muddy coast off Taishan

Guangdong provided valuable information on the offshore Quaternary stratigraphy

tectonics

sedimentary evolution

and environmental and engineering geology of this area. The following late Quaternary stratigraphic sequences were mapped. (1) Pleistocene alluvial sitty sand and shallow marine clay; (2) coarse fluvial channel sand; (3) nearshore and bay clayey sediments. The incision of fluvial channels occurred in two stages: during the Late Pleistocene and at the beginning of the Holocene. The Pleistocene fluvial channels have been filled by coarse sand overlain by more than 10 m of late Pleistocene clay and 20–30 m of Holocene clay. The coastal area is dissected by two major fault systems: the first group strikes ENE-WSW and controls the evolution of the adjacent Quaternary basin

while the second one trends NNE-SSW. These fault systems must be taken into account in any coastal engineering considerations. In addition

both granitic and metamorphic basements were recognized.

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references

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