The southern seabed guards not only geology, but the material memory of ancient trade. Between the turbulent currents of the Strait of Messina and the protected gulfs of Magna Graecia, cabotage routes were navigated by imperial *onerariae* and smaller vessels. Here, at depths that escape direct light, the submerged shipwrecks are not merely archaeological sites, but archives of stone and ceramic that reveal the exact routes of the original cargoes.
Deposits of stone and fire
The abandonment or shipwreck of a cargo along the routes to the Aeolian Islands has left indelible traces on the sandy and rocky seabeds of the Tyrrhenian-Ionian ridge. Squared blocks of marble destined for imperial building programs and colossal wine or oil amphorae lie intact, partially colonized by calcareous concretions that fix their form in time.
Marble shipwrecks: Cargoes of raw or semi-finished stone that testify to the heavy logistics of antiquity, sunk suddenly due to storms or navigational errors along exposed shallows.
Amphora and ceramic deposits: Stratified piles of transport containers (Dressel, Haltern) that trace the flows of the *annona* and typical products of the ancient Mediterranean, from scented wines to fish derivatives.
Ship's logs and cartography of ancient trade
Mapping these occurrences means reconstructing the economic geography of the past through material remains. Every surveyed wreck represents a fixed point in a network of visual navigation, where deep knowledge of local winds and shallows determined the safety or loss of the cargo. A submerged heritage that the Atelier preserves as supreme testimony to the material culture of the coasts.
Notes on material evidence:
The textual study just read finds direct correspondence in the archive baskets and territorial selections curated by the Atelier.
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