Fig. 12

Parameter characteristics of the delta plain conglomerate of class A-4 in the Baikouquan. (a) Gravel component (%), (b) Sandstone component (%); (c) Conglomerate composition (%); (d) ① Normal rhythm, the upper part is pebbly sandstone, and the lower part is matrix-supported conglomerate, ② Lithologic gradient between conglomerate and sandstone, ③ Debris flow, matrix-supported conglomerate; (e) Histogram of porosity distribution; (f) Permeability distribution histogram; (g) Grain distribution histogram and cumulative grading curve; (h) Cumulative probability curve.