Geology of Afar (East Africa)

Comprehensive Review on the Geology and Tectonics of the Afar Triangle

Includes information on economic and political issues in the adjacent African countries in the Afar region

Includes a chapter on the georesources

Comprehensive Review on the Geology and Tectonics of the Afar Triangle Includes information on economic and political issues in the adjacent African countries in the Afar region Includes a chapter on the georesources Includes supplementary material: sn.pub/extras

Résumé

Comprehensive Review on the Geology and Tectonics of the Afar Triangle

Includes information on economic and political issues in the adjacent African countries in the Afar region

Includes a chapter on the georesources

Contenu
Introduction.- Part I Afar: global context.- Global and regional geodynamic context.- Relief climate, people, languages and toponymy, exploration history.- Regional domes (Ethiopian and Kenyan) and mantle plume.- The EAR, Afar, Red Sea and Aden rifts.- Origin of mankind, origin of life.- Part II Afar geology.- Afar volcanic chronology.- Afar sedimentary units.- Sub-regional approach and geological field description.- The axial ranges.- The central volcanoes of Afar margins and transverse alignments.- Part III Crust, mantle, magmas and geodynamics.- Afar magmatic evolution: partial melting of the mantle and differentiation by crystal fractionation.- The recent/present volcano-tectonic events.- Afar in relation with the EAR (continental rift valley).- The Gulf of Tadjoura, penetration on land of the oceanic Aden ridge.- The Red Sea Link, and rotation of the Danakil block- Plate boundaries and microplates within Afar.- The Afar mantle plume, discussion.- Part IV Applied geology and socio-economic issues.- Thermal manifestations.- Geothermal potential and development perspective.- Mineral resources.- One Afar nation, 3 countries, a social and political issue.- Conclusion: emerged ocean, origin of mankind and life, sustainable future of the planet.