LATE QUATERNARY SEQUENCE STRATIGRAPHY AND SEDIMENTARY ENVIRONMENT OF EAST CHINA SEA CONTINENTAL SHELF

CUI Zhengke; YANG Wenda

doi:10.3724/SP.J.1140.2014.04001

2014 Vol. 34, No. 4

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CUI Zhengke, YANG Wenda. LATE QUATERNARY SEQUENCE STRATIGRAPHY AND SEDIMENTARY ENVIRONMENT OF EAST CHINA SEA CONTINENTAL SHELF[J]. Marine Geology & Quaternary Geology, 2014, 34(4): 1-10. doi: 10.3724/SP.J.1140.2014.04001

Citation:

CUI Zhengke, YANG Wenda. LATE QUATERNARY SEQUENCE STRATIGRAPHY AND SEDIMENTARY ENVIRONMENT OF EAST CHINA SEA CONTINENTAL SHELF[J]. Marine Geology & Quaternary Geology, 2014, 34(4): 1-10. doi: 10.3724/SP.J.1140.2014.04001

LATE QUATERNARY SEQUENCE STRATIGRAPHY AND SEDIMENTARY ENVIRONMENT OF EAST CHINA SEA CONTINENTAL SHELF

NO.1 Marine Geological Investigation Party, Shanghai Offshore Petroleum Bureau, Sinopec Shanghai, 201208, China

Received Date: 05 January 2014

Revised Date: 20 February 2014

Abstract

Abstract

Sea level fluctuations caused by globe climate change during Late Quaternary are the main reason to form the stratigraphic sequences of the sediments on the East China Sea Continental Shelf. 6reflections, i. e. QT0, QT1, QT2, QT3, QT4 and QT5, or 5 stratigraphic sequences, can be recognized on the seismic profiles across the whole continental shelf of East China Sea for the sediments 120m below the sea bottom. Comparing the structure and reflection characteristics of the sequences with drilling data, it is found that every stratigraphic sequence is composed of a regressional sub-sequence and a transgressional sub-sequence. Using sequence stratigraphy as a tool, this paper described the stratigraphic sequences since Middle Pleistocene, and the depositional environment of the region was deduced accordingly. A conceptual model was then proposed as a clue for stratigraphic correlation.
- The continental shelf of East China Sea /
- sub-bottom profile /
- stratigraphic sequence /
- sedimentary environment /
- sequence model

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References

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