Friday, January 27, 2012

Underwater archaeology: Hunt for the ancient mariner

Armed with high-tech methods, researchers are scouring the Aegean Sea for the world's oldest shipwrecks.

Brendan Foley peels his wetsuit to the waist and perches on the side of an inflatable boat as it skims across the sea just north of the island of Crete. At his feet are the dripping remains of a vase that moments earlier had been resting on the sea floor, its home for more than a millennium. “It's our best day so far,” he says of his dive that morning. “We've discovered two ancient shipwrecks.”

Foley, a marine archaeologist at the Woods Hole Oceanographic Institution in Massachusetts, and his colleagues at Greece's Ephorate of Underwater Antiquities in Athens have spent the day diving near the cliffs of the tiny island of Dia in the eastern Mediterranean. They have identified two clusters of pottery dating from the first century BC and fifth century AD. Together with other remains that the team has discovered on the island's submerged slopes, the pots reveal that for centuries Greek, Roman and Byzantine traders used Dia as a refuge during storms, when they couldn't safely reach Crete.

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