Microstructures documenting Cenozoic extension processes in the northern continental margin of the South China Sea

[1 ] CAS Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China

[2 ] College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing, China

[3 ] State Key Laboratory of Isotope Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China

[4 ] Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA, USA