Finds dated at this ages has been find in the Necropolis of Su Crucifissu Mannu. In this necropolis has been find two skulls with the presence of some sort of surgical procedure probably practiced in order to heal issues like migraines and tumors. Another theory is that this surgical procedure has been practiced for religious and/or magical purposes. Many nuraghes belong to this ages, and nowadays only 7 of these structures are in a well state of preservation. The Domus de Janas of Andreolu also witness the presence of the Nuragic civilizzation.