Fig. 6

Lithological discrimination via Landsat-8; a) Decorrelated FCC 567; b) Abrams’s BR 6/7 4/3 5/6, c) Kaufmann’s BR 7/5 5/4 6/7 and d) PC 213 in RGB. Abbreviation: Abu Aggag (Ag. Fm), Timsah (T. Fm) and Um Bramil (B. Fm), gneiss (Gn), arc assemblages (Arc), metagabbro (Mg), syn-tectonic granite (Sgr) and late-tectonic granite (Lgr). (The figure was created by ENVI v. 5.6.2. software; (https://www.l3harrisgeospatial.com/Software-Technology/ENVI)).