Figure 5

Illustrates: (a) The three-component diagram showing fired brick color differences (after (Piltz (1964)56), (b) CIA ternary diagram (after Nesbitt and Young (1982, 1984)63,64), (c) Textural classification of studied clay sediments following the relation between sand, silt and clay components and their controls over porosity and permeability (after Shepard (1954)70).