Metals, Minerals, and Society
Chapter 10: Regional- to Deposit-Scale Geologic Controls on Copper-Silver Mineralization in the Kalahari Copperbelt, Botswana
Published:January 01, 2018
Wesley S. Hall, Catherine Knight, David J. Catterall, Clemens Augenstein, Brett M. Davies, John Deane, Batanani Muyoba, Oarabile Disang, Poul Emsbo, Yaoguo Li, M. Stephen Enders, Murray W. Hitzman, 2018. "Regional- to Deposit-Scale Geologic Controls on Copper-Silver Mineralization in the Kalahari Copperbelt, Botswana", Metals, Minerals, and Society, Antonio M. Arribas R., Jeffrey L. Mauk
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The Kalahari Copperbelt in northwestern Botswana is characterized by structurally controlled, stratabound, mineralogically zoned copper-silver deposits hosted along a major redox boundary within a late Mesoproterozoic rift succession. Copper-silver mineralized rocks occur on the limbs and in the hinge positions of regional-scale folds that characterize the Pan-African Ghanzi-Chobe zone fold-and-thrust belt. Regional facies changes along the base of the transgressive marine D’Kar Formation, the host to the majority of mineralized rocks, delineate a series of synsedimentary basin highs and lows. The facies changes were identified through both lithostratigraphic analysis of drill holes and along-strike variations in magnetic lithostratigraphy, a...