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Geological background to fossil man recent research in the Gregory Rift Valley, East Africa edited by Walter W. Bishop

Rifting in East Africa and large-scale tectonic processes / E.R. Oxburgh -- Structural development of the East African Rift System / R.M. Shackleton -- Structural volcanic evolution of the Gregory ...
Smithsonian Magazine

East Africa Might Break Off From the Continent Sooner Than Scientists Thought—and a New Ocean May Fill the Gap

Kenya's Great Rift Valley Shankar S. from Dubai, United Arab Emirates, via Wikimedia Commons under CC BY 2.0 Around 250 million years ago, Earth’s modern-day landmasses were united in a supercontinent ...
Nature

The Rift Valleys and Geology of East Africa

PROF. GREGORY is to be congratulated on having found, or made, opportunity to complete his work in East Africa, begun so brilliantly and adventurously in 1892–3. Returning to the country for a short ...