Analysis of Tectonic Activity in the Central-southern Segments of the Luohu Faults, Guangdong Province

FU Su-Rong; TANG Yu; GAO Wei; WANG Ya-Hui; NIE Yun-Hua

doi:10.3969/j.issn.2097-0013.2024.04.008

2024 Vol. 40, No. 4

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FU Su-Rong, TANG Yu, GAO Wei, WANG Ya-Hui, NIE Yun-Hua. 2024. Analysis of Tectonic Activity in the Central-southern Segments of the Luohu Faults, Guangdong Province. South China Geology, 40(4): 693-702. doi: 10.3969/j.issn.2097-0013.2024.04.008

Citation:

FU Su-Rong, TANG Yu, GAO Wei, WANG Ya-Hui, NIE Yun-Hua. 2024. Analysis of Tectonic Activity in the Central-southern Segments of the Luohu Faults, Guangdong Province. South China Geology, 40(4): 693-702. doi: 10.3969/j.issn.2097-0013.2024.04.008

Analysis of Tectonic Activity in the Central-southern Segments of the Luohu Faults, Guangdong Province

1.
Shenzhen Integrated Geotechnical Investigation & Surveying Corporation Limited, Shenzhen 518029, Guangdong, China
2.
Power China Guiyang Engineering Corporation Limited, Guiyang 550081, Guizhou, China
3.
School of Earth Sciences and Resources, China University of Geosciences (Beijing) , Beijing 100083, China

More Information

Corresponding author: TANG Yu, 382030483@qq.com

Received Date: 23 July 2024

Revised Date: 12 August 2024

Publish Date: 20 December 2024

Abstract

Abstract

The tectonic activity of the fault zone has a significant impact on regional crustal stability, earthquake and deformation monitoring, as well as the design and construction of major projects. We focus on studying of the stratigraphic composition, distribution characteristics, and structural deformation characteristics of the central-southern sections of the Luohu Faults, and adopt chronological testing methods such as the radioactive ¹⁴C of the strata and the illite ⁴⁰K-³⁹Ar of the fault gouge, then find that there has been no obviously activity of the Luohu faults since the late Middle Pleistocene. Besides, the Luohu Faults had experienced ductile deformation in the Early Cretaceous and brittle deformation in the Late Cretaceous. The brittle deformation activity in the Late Cretaceous may have continued until the early Paleocene. In the middle Eocene, another phase of tectonic activity may have occurred in the central-southern sections of the Luohu Faults.
- Luohu faults /
- tectonic activity /
- structural deformation /
- ⁴⁰K-³⁹Ar method

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References

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