Pore Fluid Evolution Influenced by Volcanic Activities and Related Diagenetic Processes in a Rift Basin: Evidence from the Paleogene Medium-Deep Reservoirs of Huanghekou Sag, Bohai Bay Basin, China

Figure 9

Plots showing the variations in the concentrations of B element and the ratio of B/Ga with depth in mudstone of well BZ-1. B = boron; Ga = gallium.