The Darfur Dome or Darfur Volcanic Province is an area about 100x400 km in area in Western Sudan, the result of a volcanic plume which created its best-known and central feature, Deriba Crater

Deriba Crater

Deriba Crater is at the highest point of Jebel Marra at an elevation of 3,042 m , in Darfur in the western part of Sudan. The caldera rim became Sudan's new highest point, after the independence of South Sudan. It is between 5 km and 8 km in diameter across the outer crater...

. It also produced the surrounding Marra Mountains (Jebel Marra) and Tagabo Hills

Tagabo Hills

The Tagabo Hills is a volcanic field in the region of Darfur in Sudan. It lies north of the Marrah Mountains and southwest of the larger Meidob Volcanic Field. The Tagabo Hills are also known as the Kutum Volcanic Field, after the town of Kutum, or the Berti Hills after the Berti people...

, formed around 16 and 10 Ma., and the Meidob Hills which arose around 6.8 Ma. The plume is linked to stress resolution along the Central African Fault Zone.