37295. Geological Society of South Africa.   Transactions and Proceedings of the Geological Society of South Africa : Contains articles on Parkerite Series, Determination Geological Age By Radioactivity of Rubidium, Australopithecine bearing rocks, Petrology Dolerite, and much more.   Geological Society of South Africa, 1948, Transactions and Proceedings of the Geological Society of South Africa, January to December, 1947, 50 : 1-178, 27 plates, plus 80 pages and 2 plates.   Printed wraps present but detached, usual signs of use and age, text and plates in very good condition.    $16.00

94843. Cloud, P.   Major Features of Crustal Evolution (Alex L. du Toit memorial lecture).   The Geological Society of South Africa, 1976, Supplement, Volume 79 : 33 pages with 2 figures.   Softbound, inscribed by the author, minor signs of use, text in very good condition.   Oversized Item.   $11.00