Mesa in front of another Mesa, Debre Damo, Tigray, Ethiopia

Do you know? The extremely siliceous volcanic rock, #OBSIDIAN, was first discovered in #ETHIOPIA. Reference Encyclopedia of Geology, 2005 (eds. Selley, R. C., Cocks, L. R. M. and Plimer, I. R.)

Interpretive sketch. Conjugate Fault underlying coral reef and basalt substrate, Hamadela Village, Northern Afar, Ethiopia.

Horizontally Bedded Limestone Cliff at Wenchit Valley, Merabete, Ethiopia

Salt Pillar from Dallol Magmatic Segment, one of the seven magmatic segments in the Ethiopian Rift System

Normal Fault dissecting Mesozoic Rocks, Northern Afar, Ethiopia

Salt mound on a salt plain of Dallol Depression, Ethiopia

Mud Pool, Dallol, Ethiopia

Calcite Geode hosted in a basalt, Southern Ethiopia (55 km NW of Arba Minch)

Gastropod Shell, Afdera Hypersaline Lake, Northern Afar, Ethiopia

Pahoehoe lava, Erta Ale (Afar, Ethiopia): one of the four lava lakes of the world

Drone image of Ada Ela Crater, Galicoma area (Northern Afar, NE of Lake Afdera)

Crescent plan of unidirectional current ripples/dunes, Adigrat Sandstone Nebelet area (Tigray, Ethiopia)

Fabulously laminated Permo-Triassic Adigrat Sandstone, Nebelet area, Tigray, Ethiopia

Mud Pool, Dallol, Ethiopia

Sand Ripples, Galicoma area, Northern Afar, Ethiopia

Volcanic Bomb in a stratified pyroclastic fall deposit, Badda Village, Northern Afar, Ethiopia

Inclined Permo-Triassic Adigrat Sandstone, Negash area, Tigray, ethiopia

Aluto Caldera, Central Main Ethiopian Rift, between Lake Ziway to the north and Lake Langano to the south

Salt mound on a salt plain of Dallol Depression, Ethiopia

Angular Unconformity between two alluvial sediment deposits, Badda Village, Northern Afar, Ethiopia