A View of a Cliff near Tarabuco (IMAGE) Université de Genève Caption This is a view of a cliff near Tarabuco, in Bolivia. The sedimentary rocks of the Triassic are red whereas the grey rocks at the top of the cliff reveal the sill. Credit © Hervé Bertrand 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.