Most PalAss guides, making up its wonderful library of guides to fossils, are about UK fossils. This is the only one that concentrates solely on non-UK geological formations. It is about two formations found in northeast Brazil and so is a complete departure from the usual format.
Patagonia has not always been the cold, arid and dry place it is today. About 17Ma – because the Andes were much lower allowing humid winds from the west to reach the area – it consisted of substantial forests and grasslands. It was also inhabited by strange and wonderful animals, many of which are now extinct.
