Fig. 1
From: Spheroidal weathering of basalt from Gebel Qatrani, Fayum Depression, Egypt

Geological map of Fayum Depression (simplified after Said 1962 and CONOCO Geological map of Egypt)
From: Spheroidal weathering of basalt from Gebel Qatrani, Fayum Depression, Egypt
Geological map of Fayum Depression (simplified after Said 1962 and CONOCO Geological map of Egypt)