In the north, the Arabian-Nubian shield that was influenced by the EAO is slightly deformed and metamorphosed if compared with the more strongly deformed high-grade metamorphic rocks in east Africa and the Island of Madagascar. The Bi’r Tawilah gold prospect is located at the Zalm quadrangle ...
They were mostly derived from Nubian sandstone, limestone, conglomerate, breccia, granite, basalt, and schist during Tertiary to Recent ages. Obvious heterogeneous distribution of calculated weathering and uniformity ratios with depth depicted that most of thestudied soils were poorly sorted, poorly ...