ABSTRACT
Seismic profiles interpretation can be divided Tg, T8, T7, T6, T5, T4, T3, T2, T0 and other interface, comprehensive comparison, the corresponding geological age was 55.8 Ma, 33.9 Ma, 28 Ma, 23.3 Ma, 16.4 Ma, 10.5 Ma, 5.5 Ma, 1.8 Ma, 0 Ma, top boundary of the oceanic crust in NW sub-basin and continental shelf-slope area correspond to T6 unconformity.
