Archaeology
Approximately 400 prehistoric stone axes, known as Group 1 axes and made from greenstone, have been found all over Britain, which from petrological analysis appear to come from west Cornwall. Although the quarry has not been identified, it has been suggested that the Gear, a rock now submerged half a mile from the shore at Penzance, may be the site. A significant amount of trade is indicated as many have been found elsewhere in Britain.
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