Bangweulu Block

The Bangweulu Block is a cratonic unit in central Africa that forms part of the larger Congo craton. It consists of Palaeoproterozoic granitoids and volcanic rock overlain by a Palaeoproterozoic continental sedimentary sequence called the Mporokoso Group, and it preserves little direct evidence of any older Archaean basement, though zircon grains as old as 3.2 billion years found within its rocks point to an ancient source terrane geologists call the Likasi Terrane. The block formed during the Eburnian orogeny, with its crystalline basement dated to about 1,835 million years ago, and it is bordered by the Kundelungu Plateau, the Lufilian Arc, the Kibaran Irumide Belt and the Ubendian Belt.