Uranium series dating of quaternary deposits Free sex chat no subscribe
Continuous 500,000-year climate record from vein calcite in Devils Hole, Nevada.
Uranium decays through a number of radioactive daughter isotopes, some of which have half-lives comparable to the time scale of prehistoric archaeology.
TY - JOURT1 - Uranium-series dating of lacustrine limestones from pan deposits with final Acheulian assemblage at Rooidam, Kimberley district, South Africa AU - Szabo, B. AU - Butzer, Karl WPY - 1979/1/1Y1 - 1979/1/1N2 - Lacustrine limestone samples from sedimentary pan deposits at Rooidam, near Kimberley, South Africa, that contain late Acheulian (Fauresmith) artifacts have been dated by 230Th 234U and 231Pa 235U methods.
Results indicate a minimum age of about 200,000 yr B. for the terminal Acheulian in the interior of South Africa.