The Geological Story of the World's Deserts |
Common terms and phrases
aeolian Alimen alluvial ancient Andean areas arid zone Atacama Australia Basin and Range belt Botswana Bull calcrete Cenozoic central Chavaillon China climatic change climatiques coastal Colorado Plateau craton Cretaceous Dead Sea Dead Sea Rift deposits dépôts desert drainage duricrust eastern ergs erosion été evidence evolution extensive Figure floodplains formation Geol geologic geomorphic glacial Gobi gravel Holocene humid inland Kalahari basin Karoo km² lacustrine Lake Lake Eyre landforms landscape Langford-Smith Late Pleistocene Late Quaternary Late Tertiary Makgadikgadi margins Middle East Miocene mountains moyen Negev Nord North northern Ochsenius Okavango Paleozoic pans period phase plains Pléistocène Pliocene pluvial precipitation present provinces Quaternaire Quaternary rainfall region régions rivers rocks Sahara Sahara nord-occidental sand dunes sandstones Sea Rift sediments semi-arid Shamo silcrete Sinai soil South southeastern southern stream surface Tchad tectonic terrasse Thar Tibesti tion uplift valleys vegetation volcanism Wadi western wetter yrs B.P.