K.W. Butzer Barney J. Szabo 1979 <p>Lacustrine limestone samples from sedimentary pan deposits at Rooidam, near Kimberley, South Africa, that contain late Acheulian (Fauresmith) artifacts have been dated by²³⁰Th²³⁴U and ²³¹Pa²³⁵U methods. Results indicate a minimum age of about 200,000 yr B.P. for the terminal Acheulian in the interior of South Africa.&nbsp;</p> application/pdf 10.1016/0033-5894(79)90007-3 en Elsevier Uranium-series dating of lacustrine limestones from pan deposits with final Acheulian assemblage at Rooidam, Kimberley district, South Africa article