Alid volcanic center, a 700-meter-tall mountain in Eritrea, northeast Africa, straddles the axis of an active crustal-spreading center called the Danakil Depression. Boiling-temperature fumaroles are common on Alid, and their gas compositions indicate a reservoir temperature of at least 250 ??C. The history of volcanism and the high reservoir temperature indicated by the Alid fumarole gases suggest that a geothermal resource of electrical grade lies beneath the mountain. Though drilling is needed to determine subsurface conditions, the process of dome formation and the ongoing crustal spreading can create and maintain fracture permeability in the hydrothermal system that feeds the Alid fumaroles.
Additional publication details
Geology and geothermal potential of Alid volcanic center, Eritrea, Africa
Geothermal Resources Council
Davis, CA, United States
Larger Work Title:
Transactions - Geothermal Resources Council
Proceedings of the 1996 Annual Meeting of the Geothermal Resources Council