(a)
(b)
Figure 3: (a) E-W seismic profile across the TS1 (see Figure 1(b) for the location), showing the sequence architecture from the Cambrian to Lower Carboniferous. (b) Interpreted geological profile based on (a), displaying the distribution of lithologies, sequences, and faults. Refer to Figure 2 for the abbreviated symbols of stratigraphic formations. Z-Sinian (Neoproterozoic).