In this site there is a
cylindrical phallic structure, characterized from the presence
on the summit of seven cup-marks, with that central greatest.
The petrographic analysis (Chiari R.) has allowed to establish
that this rock (Dolomia Saccaroide - Portovenere's
Unit) is made up by coarse-medium Dolomite (62-1 000 micron) from
sub-euedral to sub-planar, with "saddle" crystals (up to
cm ½) with displacive dedolomitization.
would seem, at sight, karst microformes (natural origin) but
the extraordinary circular symmetry of this system,
not found in the surrounding rocks, leans for a natural-anthropic
The same semantic
construction is on the Persico's altar
near Campiglia - Cinque Terre (etimology from Oscan persklum =
altar stone) characterized by a circle of nine cup-marks (blank
scale 8 cm)