Re copper ores try Ixer and Budd 'The mineralogy of BA copper
ores' etc in Oxford Journal of Arch. 1998 17 15-41
This also discusses the gold coins of Alderley Edge- no gold bars
however- I suspect the only gold bars at Alderley are kept under
the beds of the wealthy inhabitants of that town( Probably lots of
At Ross Island the earliest copper ores to be mined by the Beaker
Peoples were chalcopyrite plus/minus tennantite as epigenetic
ores in limestones.
This is the earliest copper mining in the British Isles.