The work of the Elbe hollow had not be limited only excavation of granite. Another resource is made from
marble stone cipollino Elba, marble veined species, unsuitable for construction of statues, with streaks of color ranging from light green to dark green striped with black.
The quarries were probably located between the western bay of the Gulf of Procchio and the eastern edge of the Pauline beach. A witness to the exploitation remain some remains of columns in Porto Procchio (Guardiola) and in the cove
dell’Agnone, but even more its use for frames, skirting boards, thresholds, floor tiles, etc. crustate parientali. in the Cape Castello villas, Le Grotte Linguella. The presence of marble in the residences cipollino already abandoned by the end of the first century A.D. It leads us to hypothesize that its use at least at the local level was the previous granite exploitation.