Geology
The mountain is composed of an upper sill of dolerite and sandstone, with the harder dolerite forming cliffs and ridges. The dolerite sill and the sediments underlying it are probably part of the Umkondo Group. The Umkondo Group dolerite sill north of Nyangani, on the Kwaraguza Road, has been dated at 1099 Ma
Read more about this topic: Mount Nyangani