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. The earliest evidence of settlement in
Penzance is from the Bronze Age. A number of bronze implements such as a
palstave, a