Greco-Italic amphoras from Campania in southern Italy account for the majority of the vessels. Used to carry wine along ports in the Mediterranean, these type of jars featured two side handles on a pear-shaped body with a pointed spike at its base.
The 3-D mapping also revealed a number of Dressel 1C amphoras -- tall cylindrical jars with angular shoulders, long straight handles, high collar rim and narrow mouth -- and Lamboglia 2 vessels. Featuring a bag-shaped body, a short pointed spike, a high cylindrical neck with thick oval handles, the Lamboglia 2 amphoras were mainly used to for wine.
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"The finding suggests the presence nearby of a trading hub for amphoras," the Superintendency for the Sea said.
The researchers also spotted three areas of the wreck site in which amphoras are not present.
"At first we thought these blank spots were caused by robbers, but now we believe they were occupied by perishable parts of the cargo, such as wicker boxes," the Superintendency for the Sea said.