0019 - Trivia beads

These are some of the beads made out of Trivia shells.They are part of an assemblage of more than 50 trivia beads collected at the depositions of cremated human remains in the central area of Perdigões. Trivia beads occur at Perdigões since the Neolithic phase. And, during the Chalcolithic, they are also present in the tholoi type tombs in the eastern limits of the site. But is in the context of the deposition of cremated human remains that they have their major concentration. Dated from the middle / third quarter of the 3rd millennium BC.
Naturally, being a sea shell, they are an exogenous item at Perdigões. One of many.

(Photo copyrights A.C. Valera / Era Arqueologia SA.)

To get more information about exogenous sea shells at Perdigões, see here.

0017 - A large first blade

A first blade (lâmina de crista) of flint. Integrating the concentrated assemblage of more than 80 large blades recorded in Tomb 3 of Perdigões, this blade corresponds to a first extraction from a prepared core, and therefore it present in its surface the marks of the preparation of the core for the knapping. It was the first of a sequence of extractions.

(Photo copyright A.C. Valera / Era Arqueologia)

But these extractions occurred elsewhere. They were not produced at Perdigões. These long blades (several have more than 30 cm, like this one) are exogenous objects at the site and document the integration of Perdigões in large scale networks of circulation of exotic and valued materials. Some of these blades are of oolithic flint and have their probable origin in the central Andalusia, in the Betic mountains, some 600 km away from Perdigões.