Geology of Great Rift may be surprisingly ancient

Geological features of the Great Rift Valley, birthplace of the human species, may be much older than previously believed.

Existing geological models of the Rift propose that a rapid tectonic uplift over the past few million years caused climatic and environmental changes which drove human evolution. New research, though, suggests the area has a much more prolonged history of tectonic activity, stretching back as far as 25–30 million years.

Read more at James Cook University