An analysis of ancient Greek pottery is revealing how trade connected communities across the Peloponnese, with evidence of locally made shipping jars alongside vessels that may have arrived from farther away. Researchers say the differences offer a closer look at how coastal settlements produced goods and took part in wider exchange networks.
The study, published in the journal “Minerals,” examined 40 transport amphorae and two tiles from Aigion and nearby Trapeza Diakopto in northwestern Greece. The two-handled jars carried goods, while the minerals embedded in their clay offer clues about where they were made.
At Trapeza, one sample contained rock fragments that did not match the surrounding geology, suggesting it was imported, possibly through connections with the Cyclades islands. Another showed similarities to materials documented near Argos and Corinth, but researchers noted that comparable rocks also occur locally. Its origin remains uncertain.
Ancient Greek pottery points to trade beyond the Peloponnese
Trapeza, about 15 kilometers (9.3 miles) southeast of Aigion, served as a port linked to the ancient city of Voura. Excavations following work on a new railway uncovered settlement remains and amphorae from other Greek centers and more distant places. The vessels examined there came from destruction layers dating to the fourth and early third centuries B.C.
Aigion’s later amphorae, including examples dating from the second to first centuries B.C., tell a different story. Archaeologists have uncovered kilns, workshops and discarded pottery near the ancient marketplace and port. Some jar handles carry stamped names thought to identify workshop owners.
Researchers examined thin sections of the pottery under microscopes and used X-rays to identify its minerals. Aigion samples fell into three main clay groups, most with ingredients consistent with nearby geological deposits. Two major jar types appear to have been made using much the same clay preparation method.
Clay recipes reveal differences between neighboring pottery centers
Trapeza’s pottery was less uniform. Scientists identified two main clay groups along with several pieces too distinctive to fit either category. They called these unusual samples “loners,” a finding consistent with a mix of local production and imported containers.
The differences extended to firing techniques. Most Aigion amphorae appear to have been heated above 950 degrees Celsius (1,742 degrees Fahrenheit), indicating controlled production. Trapeza samples showed more varied conditions. One specimen recovered from a shipwreck may have been fired in a kiln, the researchers reported.
Aigion’s jars also resemble forms made around Corinth and Brindisi, a comparison the study links to possible movement of potters and their methods. The findings suggest a region where workshops drew on local resources while maritime connections brought in pottery made elsewhere. They do not establish the precise route taken by any particular vessel.
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