Fig. 16From: Genetic implications of Th/U, Th/K, and U/K ratios for U mineralizations: A case study from El-Missikat and El-Erediya shear zones, Eastern Desert, EgyptTh-K variation diagrams indicate the dominance of Th-enrichment (III) through the alteration zones of El-Missikat exploratory tunnels (a and b brecciation, c and d greisenization, e silicification, f and g kaolinization)Back to article page