Abandoned Mines TOP 14 Mineral Processing Metallurgy
The Island copper mine, located on Vancouver Island, British Columbia (Canada), functioned from 1970 to deposit was Canada''s third largest copper mine and produced copper, gold, silver, molybdenum and a byproduct called Rhenium. When the mine closed, more than one billion tons of material had been moved, leaving the deepest excavated depression below sealevel on Earth.