No. | Aquifer rock units | Wells No. | Wells locations |
1 | Meta-volcanic (Meta-andesite, meta-basalt) | 1, 4, 5, 6, 7, 8, 9, 10, 11, 12 and 26 | Sukkari, El-Shazly1-5, Abu Himimid, Miteiwit, Murirah, Malahaia and El-Barramia |
2 | Basic-ultrabasic (Gabbro, serpentinites, Meta-gabbro-diorite complex) | 25, 26x and 30 | Abu Ghuson-2, Sartut and El-Nabaa |
3 | Granitoids (Younger and older granite rocks) | 13, 14, 15, 24, 27, 28, 29, 31, 32, 33, 34 and 35 | El-Jimal, Beizah1-2, El-Sheikha Amira, Hafafit3-5, El-Asly, Lahmi, Lahmi-FAO, El-Reidah and Barikah |
4 | Meta-sediment (Schists, gneisses) | 2 and 3 | Hafaifit1-2 |
5 | Quaternary (Alluvium, recent sediments) | 16, 17, 19, 20, 21 and 22 | Ambaout, Ghadir, Abu Ghuson FAO1-4 |
6 | Miocene (Coral reefs, sandstones, carbonate, evaporites) | 18 | Abu Ghuson-1 |