Paleozoic

Paleozoic rocks make up the eastern part of the Andean Mountains in Peru, while the western range is formed of Mesozoic beds, volcanic ashes and lava of comparatively recent date.

‘Itʼs all Paleozoic rock under our feet, this part of the world: to think of it, laid down five hundred million years before, shrugging its shoulders and bringing down the steeples on the churches!’