Focused Fluid Flow, Shallow Gas Hydrate, and Cold Seep in the Qiongdongnan Basin, Northwestern South China Sea

Figure 5

(a, c) Seismic sections and (b, d) distributions of the polarity reverse_A (PR_A) and polarity reverse_B (PR_B) in the study area. The black lines in panels (b) and (d) represent the seismic lines, the red lines represent the study area boundaries, and the polarity reverse zones indicated by the orange areas are located in the southwestern study area.