In Ely and surrounding areas.
silver, copper, etc.
copper
Copper is mined as copper it is not an alloy
yes, copper is mined in California and george ling disocverd it in the year 1739
Copper was mined a long time ago over 1000 years ago
Arizona
copper
Solid Minerals such as Gold and Copper are mostly mined using the Open Cast Method.
There is copper mined throughout much of Africa. In South Africa, the major areas for copper mining are Palabora and Northern Cape.
So it can be used.
Zambia
copper !