Climate & EarthGreen diamonds of the Witwatersrand reveal earth’s shifty secretsSibusiso BiyelaJanuary 14, 2016January 15, 2016 by Sibusiso BiyelaJanuary 14, 2016January 15, 2016 A group of researchers at the Wits School of Geosciences have pin-pointed the age at which the earth’s plate tectonics began. Their results were recently...