SHALLOW ACOUSTIC STRATIGRAPHY OF THE LATE QUATERNARY IN THE ZHOUSHAN ISLANDS OF HANGZHOU BAY

CHEN Junbing; LIU Longlong; WU Zhen; TANG Songhua; LIU Rongbo; ZHANG Xianxia; ZHANG Shengjiang

doi:10.16028/j.1009-2722.2021.190

2021 Vol. 37, No. 12

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Article navigation > Marine Geology Frontiers > 2021 > 37(12): 49-57

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CHEN Junbing, LIU Longlong, WU Zhen, TANG Songhua, LIU Rongbo, ZHANG Xianxia, ZHANG Shengjiang. SHALLOW ACOUSTIC STRATIGRAPHY OF THE LATE QUATERNARY IN THE ZHOUSHAN ISLANDS OF HANGZHOU BAY[J]. Marine Geology Frontiers, 2021, 37(12): 49-57. doi: 10.16028/j.1009-2722.2021.190

Citation:

CHEN Junbing, LIU Longlong, WU Zhen, TANG Songhua, LIU Rongbo, ZHANG Xianxia, ZHANG Shengjiang. SHALLOW ACOUSTIC STRATIGRAPHY OF THE LATE QUATERNARY IN THE ZHOUSHAN ISLANDS OF HANGZHOU BAY[J]. Marine Geology Frontiers, 2021, 37(12): 49-57. doi: 10.16028/j.1009-2722.2021.190

SHALLOW ACOUSTIC STRATIGRAPHY OF THE LATE QUATERNARY IN THE ZHOUSHAN ISLANDS OF HANGZHOU BAY

1.
Zhejiang Institute of Hydrogeology and Engineering Geology, Ningbo 315000, Zhejiang, China
2.
Yantai Coastal Zones Geological Survey, China Geological Survey, Yantai 264004, Shandong, China
3.
No.4 Exploration Institute of Geology and Mineral Resources, Weifang 261021, Shandong, China
4.
Sinopec Offshore Oil Engineering Co. Ltd., Shanghai 200120, China
5.
Shanda Huate Wolong School, Linyi 276000, Shandong, China

More Information

Corresponding author: LIU Rongbo, 330725965@qq.com

Received Date: 16 July 2021

Publish Date: 28 December 2021

Abstract

Abstract

Based on the high-resolution seismic profiles and borehole data acquired from the Zhoushan Islands, five seismic reflectors, named T₁、T₂、T₃、T₅、T_R, are identified and five stratigraphic units, namely SU 1、SU 2、SU 3、SU 4 and SU 5 established for the late Quaternary sequences. Through the correlation between the shallow seismic profiles and the boreholes, combined with the analysis of sedimentary facies, AMS¹⁴C and OSL dating and paleomagnetic analysis of the cores, we infer that the five seismic units were formed in MIS 1, MIS 2, MIS 3, MIS 5, Middle Pleistocene and earlier sedimentary periods, respectively, and as the results, the stratigraphic framework of the Late Quaternary established in this paper has founded the scientific basis for revealing the sedimentary evolution of Late Quaternary paleoenvironments and the process of "sources to sink" of the sediments.
- Hangzhou Bay /
- Late Quaternary /
- shallow acoustic stratigraphy /
- stratigraphic framework /
- sedimentary environment

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