Paleontologists Precisely Date Coast of Angola (image) Southern Methodist University Share Print E-Mail Caption The richest marine reptile fossil bed along Africa's South Atlantic coast has been dated at 71.5 million years old. A new study uses carbon isotope dating to determine the first precise age for this bed, and ties the western coast of Africa, where it split from South America 130 million years ago, to 30 million years of global geologic records. Credit www.smuresearch.com/Chris Strganac Usage Restrictions Please credit Share Print E-Mail 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.