Fig. 19

Binary plot of Th/K vs. U/K ratios showing strong positive correlations through the alteration zones of El-Erediya exploratory tunnels (a and b-brecciation and c&d-kaolinization)
Binary plot of Th/K vs. U/K ratios showing strong positive correlations through the alteration zones of El-Erediya exploratory tunnels (a and b-brecciation and c&d-kaolinization)