Fossils of the Lora plateau Nature · Sargentes de la Lora, Páramos, Burgos Image of Sargentes de la Lora, not of the place itself. The limestones of the moorland, formed on Cretaceous sea beds, hold abundant fossils that crop out in the cliffs and form part of the geological heritage recognised by the Las Loras Geopark. Photo: Adam Cli (CC BY-SA 4.0) What to see and do in Sargentes de la Lora