Karoo (1 of 2) (IMAGE) University of the Witwatersrand Caption These are remnants of the massive Gondwanides mountain range that spanned across five continents over 250 Million years ago, can still be found in South Africa's Karoo region. Credit Pia Viglietti. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.