Abstract
AFTER the discovery of Lake Rudolf in 1888, Suess showed that the Jordan, Dead Sea, and Red Sea fractures were not continued along the coast of Africa, but through the East African lake chain, the basins of which had been formed by the foundering of their floors between parallel faults. During an expedition to British East Africa in 1892–93 Prof. Gregory confirmed Suess's conclusions, with some modifications as to the age and origin of the Great Rift Valley, the formation of which he attributed to successive faulting during the great earth movements of the Kainozoic era.
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The African Rift Valley 1 . Nature 104, 518–519 (1920). https://doi.org/10.1038/104518a0
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DOI: https://doi.org/10.1038/104518a0