Crustal Deformation and Magmatism around a Rigid Block under Continental Extension: A Case Study from the Zhongsha Islands, South China Sea

Yuhan Li1,2, Haibo Huang1, Xuelin Qiu1, Ingo Grevemeyer2, Haoyu Zhang1 and Qiang Wang3, (1)South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China, (2)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (3)SCSIO South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, China