There's more than gold in ancient shipwreck off Wellfleet
WEST YARMOUTH – Barry Clifford knelt and passed a metal detector over a large amorphous fist of concrete. “Piece of metal that big,” Clifford said, holding his hands a foot apart after one burst of sound. The 400-pound concretion, sitting on the floor in the lab of the Whydah Pirate Museum, was actually flipped upside down from how it was found off Marconi Beach in Wellfleet. The glacial till of smooth cobblestones covered its underside, captured by the electrolytic fusing process of shipwreck iron and seawater that created it. It took an X-ray to find something decidedly not metallic:...
Source: capecodtimes.com