Fig. 11

Field photographs show geologic features of different clusters (a–c) assigned to cluster No. 2; (d, e) assigned to cluster No. 3; (f) assigned to cluster No. 1 through of El-Erediya exploratory tunnels.

Field photographs show geologic features of different clusters (a–c) assigned to cluster No. 2; (d, e) assigned to cluster No. 3; (f) assigned to cluster No. 1 through of El-Erediya exploratory tunnels.