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U-Pb, 40 Ar/ 39 Ar, and Sm-Nd geochronological results from isolated basement exposures and drill-core samples in the Kalahari Desert, Botswana constrain the distribution and temporal evolution of Proterozoic crustal provinces in this part of Africa. There is evidence that a buried, northeast-trending Mesoproterozoic orogen lies outboard of older crustal provinces in eastern...
The Zambezi belt is a key segment of the network of Neoproterozoic/lower Paleozoic orogenic belts in southern Africa that formed during amalgamation of central Gondwana. We present new geochronological data from the easternmost Zambezi belt in northeast Zimbabwe, near the junction between that belt and the Mozambique belt. Allochthonous high-pressure granulite-facies migmatitic and mylonitic rocks...
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