Articles | Volume 12, issue 10
Solid Earth, 12, 2327–2350, 2021
https://doi.org/10.5194/se-12-2327-2021
Solid Earth, 12, 2327–2350, 2021
https://doi.org/10.5194/se-12-2327-2021

Research article 14 Oct 2021

Research article | 14 Oct 2021

Impact of basement thrust faults on low-angle normal faults and rift basin evolution: a case study in the Enping sag, Pearl River Basin

Chao Deng et al.

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Short summary
This study uses seismic reflection data to interpret the geometric relationship and evolution of intra-basement and rift-related structures in the Enping sag in the northern South China Sea. Our observations suggest the primary control of pre-existing thrust faults is the formation of low-angle normal faults, with possible help from low-friction materials, and the significant role of pre-existing basement thrust faults in fault geometry, paleotopography, and syn-rift stratigraphy of rift basins.