GEOLOGICAL FACTORS CONTROLLING URANIUM DISTRIBUTION AND AFFECTING ITS LOCALUZATION IN G•ll OCCURRENCE, GABAL QATTAR, NED, EGYPT.

Abstract

This work was carried out to study the geology, structure and radioactivity on both surface and in subsurface levels of G-Il uranium occurrence, together with detailed studies on some mineralized zones. The various possible geological and structural factors controlling the distribution of uranium mineralization and affecting its localization are highlighted through the various phases of the present work.

G. Qattar batholith represents the type locality of the younger granite in Egypt. The granite of G. Qattar acquired more interest due to hosting uranium mineralization in more than ten occurrences, namely: G-1, G-Il, G-Ill, G-IV, G-V ...etc

This study deals with G-Il uranium occurrence. This occurrence is one of the most important and promising occurrence in the northwestern parts of the batholith. It is situated along a southern tributary of W. Balih and north of G-1 uranium occmTence. G-Il occurrence is approximately determined by the intersection of latitude 27° 5' 30"N and longitude 33° 17' 5" E. It is a small triangular hill of granite bounded by two major faults, striking N12°E and N55° W. It is of moderate height, reaches about 720 m above sea level.