The reopening of part of the “Bertolone 1953-59” excavations (ex qq I-IV), formed the basis for the continuation of research into the various Neolithic as well as Enolithic and Bronze Age phases.

In 1953 Bertolone had opened an excavation at the centre of the island with a trench on a north-south alignment, 1.80 m wide and 5.70 m long, to be used as a guide excavation. Thanks to his notes, sketches and photographs from 1953 and 1956 it was possible to expose the cut of the 1953 trench. In the north-western corner an area was identified which at the time had been used as a passage for the removal of excavated earth. The section of this unexcavated area (sez. N CD /4), was sampled for palaeo-botanical and radiometric analyses. Between September and October two sections were removed and taken to the Museo Preistorico dell’Isolino. These went on display on the 18th April 2009 together with an information panel which also shows the dating hitherto obtained.