English: Map of Africa showing the distribution of diamond deposits with repect to cratons (outlined in blue) and their most ancient rock units (outlined in red). Note that economic kimberlites are found only on those ancient parts of cratons. Red dots and red letters are kimberlite bodies, and light blue areas with black letters are alluvial deposits (note that some areas contain both kimberlite bodies and alluvial deposits). Key to large red letters: CA--Central African (Kasai) craton; SA--South African (Kalahari) craton; WA--West African craton. Key to solid red and black letter: A--Akwatia/Birim alluvials; B--Banankoro alluvials and bodies; Bf--Buffels River alluvials; Cb--Carnot/Berberati alluvials; Cu--Cuango Valley alluvials and bodies; Do--Dokolwayo body; F--Finsch body; G--Gope body; J--Kwaneng body; Ja--Jagersfontein body;K--Koidu body; Kb--Kimberley bodies (5); Ko--Koffiefontein body; L--Letlhakane body; Le--Letseng body; Li--Lichtenburg alluvials; Lo--Lower Orange River alluvials; Lu--Lunda bodies and alluvials: M--Mitzic bodies; Mb--Mbuji- . Mayi bodies and alluvials; Mo--Mouka Ouadda alluvials; Mw--Mwadui body; Na--beach and offshore alluvials along Namibia and Namaqualand coast; O--Orapa body; P--Primier body; R--River Ranch body; T--Tortiya alluvials; Ts--Tshikapa alluvials; V--Venetia body; Vo--Vaal/Orange Rivers alluvials; Ye--Yengema alluvials. Map from Janse, (1996).