Characteristics of seismic reflections in central region of the South China Sea and their geological significance

摘要

More than 4000 km 48-channel seismic reflection data from the central region of the South China Sea have been interpreted. Five seismic interface have been distinguished, named T_1, T_2, T_4, T_6 and T_g respectively. Meanwhile, five seismic sequences numbered I-V have been divided with the Ages of Quaternary and Pliocene, Later Miocene, Earlier and Middle Miocene, Oligocene and Pre- Oligocene separately. Sequences I-II overlie all parts of the area. In the continental slope and island Slope, Sequences III_V are mainly found in the grabens.