Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Huascarán National Park' has mentioned 'Pleistocene' in the following places:
Occurrence Sentence Text Source
The area's geological history and structures are very complex, with serrated peaks and the rugged topography originate from the uplifting of Mesozoic sediments, which were severely folded and faulted by complex tectonic activity at the end of the Cretaceous period and subject to volcanism in the Pliocene and Pleistocene epochs.