Fig. 5

Chroma characteristics of burnt soil debris, soils and Guanghan Clay. The numbers on the horizontal axis represent the sample code: (1) K4W-H; (2) K4ST-4; (3) K7N-H; (4) K7ST-1; (5) K4KP17; (6) K4KP20; (7) K4H-01

Chroma characteristics of burnt soil debris, soils and Guanghan Clay. The numbers on the horizontal axis represent the sample code: (1) K4W-H; (2) K4ST-4; (3) K7N-H; (4) K7ST-1; (5) K4KP17; (6) K4KP20; (7) K4H-01