what are the byproducts of producing glass through mining

Byproducts Of Producing Copper Through Mining Byproducts of producing iron through mining byproducts of producing iron through mining Iron Ore in 1997 USGS Mineral Resources Program in world mine production since 1993 are shown on a country basis ton of usable ore produced an 83 increase over that of 1996 weight and metal content of usable