The Alderley Edge Landscape Project has:
“tentatively confirmed the place of Alderley Edge at the dawn of metal working. The members of the project team believe that metal prospectors came to Alderley Edge at the beginning of the Bronze Age.”
See:
alderleyedge.com/images/current-archaeology.pdf
There are some very interesting connectione being made between this and the legend of the sleeping armoured knights and their treasure