Tectonic unit divisions based on block tectonics theory in the South China Sea and its adjacent areas

Zhengxin Yin; Zhourong Cai; Cheng Zhang; Xiaofeng Huang; Qianru Huang; Liang Chen

doi:10.1007/s13131-021-1898-8

Volume 40 Issue 9

Sep. 2021

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Zhengxin Yin, Zhourong Cai, Cheng Zhang, Xiaofeng Huang, Qianru Huang, Liang Chen. Tectonic unit divisions based on block tectonics theory in the South China Sea and its adjacent areas[J]. Acta Oceanologica Sinica, 2021, 40(9): 33-42. doi: 10.1007/s13131-021-1898-8

Citation:

Zhengxin Yin, Zhourong Cai, Cheng Zhang, Xiaofeng Huang, Qianru Huang, Liang Chen. Tectonic unit divisions based on block tectonics theory in the South China Sea and its adjacent areas[J]. Acta Oceanologica Sinica, 2021, 40(9): 33-42. doi: 10.1007/s13131-021-1898-8

Citation:

Zhengxin Yin, Zhourong Cai, Cheng Zhang, Xiaofeng Huang, Qianru Huang, Liang Chen. Tectonic unit divisions based on block tectonics theory in the South China Sea and its adjacent areas[J]. Acta Oceanologica Sinica, 2021, 40(9): 33-42. doi: 10.1007/s13131-021-1898-8

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Tectonic unit divisions based on block tectonics theory in the South China Sea and its adjacent areas

doi: 10.1007/s13131-021-1898-8

Zhengxin Yin¹,
Zhourong Cai^{2, 3
,
,},
Cheng Zhang^{2, 3},
Xiaofeng Huang^{2, 3},
Qianru Huang^{2, 3},
Liang Chen^{1, 4}

1.
South China Sea Marine Survey and Technology Center, State Oceanic Administration, Guangzhou 510275, China
2.
School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China
3.
Southern Laboratory of Ocean Science and Engineering (Zhuhai), Zhuhai 519082, China
4.
Key Laboratory of Marine Environmental Survey Technology and Application, Ministry of Natural Resources, Guangzhou 510275, China

Funds: The National Natural Science Foundation of China under contract Nos 41706055, 41776072, 41602092, 4106035 and 41776072; the Natural Science Foundation of Guangdong Province under contract Nos 2018A030313168 and 2018B030311030; the National Marine Geology Special Project under contract Nos DD20160147 and DD20189643.

More Information

Corresponding author: E-mail: caizhr@mail.sysu.edu.cn
Received Date: 2021-01-08
Accepted Date: 2021-05-20

Available Online: 2021-09-15

Publish Date: 2021-09-30

Abstract

Abstract

Identifying distinct tectonic units is key to understanding the geotectonic framework and distribution law of oil and gas resources. The South China Sea and its adjacent areas have undergone complex tectonic evolution processes, and the division of tectonic units is controversial. Guided by block tectonics theory, this study divide the South China Sea and its adjacent areas into several distinguished tectonic units relying on known boundary markers such as sutures (ophiolite belts), subduction-collision zones, orogenic belts, and deep faults. This work suggests that the study area is occupied by nine stable blocks (West Burma Block, Sibumasu Block, Lanping-Simao Block, Indochina Block, Yangtze Block, Cathaysian Block, Qiongnan Block, Nansha Block, and Northwest Sulu Block), two suture zones (Majiang suture zone and Southeast Yangtze suture zone), two accretionary zones (Sarawak-Sulu accretionary zone and East Sulawesi accretionary zone), one subduction-collision zone (Rakhine-Java-Timor subduction-collision zone), one ramp zone (Philippine islands ramp zone), and six small oceanic marginal sea basins (South China Sea Basin, Sulu Sea Basin, Sulawesi Sea Basin, Banda Sea Basin, Makassar Basin, and Andaman Sea Basin). This division reflects the tectonic activities, crustal structural properties, and evolutionary records of each evaluated tectonic unit. It is of great theoretical and practical importance to understand the tectonic framework to support the exploration of oil and gas resources in the South China Sea and its adjacent areas.
- South China Sea,
- block tectonics,
- tectonic units,
- suture zone

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References(64)

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