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A low grade copper mine might be re-opened if: 1) If copper prices go up. 2) It's a massive deposit, easily extracted, close to rail lines or shipping. 3) If it's found with something else, like silver or gold, that boosts the value. 4) During war, or major copper shortage. 5) If cheap new refining methods are discovered.
it cost $347 to mine and for extra info 1400 watts of energy
100
It cost $1,100.00 per troy ounce to mine, extract and refine one ounce of pure Gold. Walt
Because the mining cost is not $5 an ounce. Silver is not profitable to mine by itself. It comes up as a secondary product of existing mines for other metals. To mine for silver alone would cost around $50-$100 an ounce. It is only ten times more plentiful than gold. Does it really make sense to you that gold would cost $500-$900 an ounce to mine and silver only $5? The reason we are running out is because all we get is table scraps from mines for other things.
copper cost more to mine then aluminum so aluminum will cost less then copper cable.
Usually the copper deposits are large, or located far beneath the topsoil. Thus, the most cost effective way to mine copper generally is in a large open pit mine.
Iron is commonly found in caves. You can also mine for it, but that is less efficient. Iron ore is a brownish copper color and you need at least a stone pickaxe to mine it.
The Escondida copper mine in the Atacama Desert in Chile is the Worlds largest copper mine.
The Copper Cliff Mine, near Sudbury, Ontario, Canada, is a nickel mine.
Mopani Copper Mine's population is 15,500.
It is a gold/copper mine that collapsed in Chile.
copper is mined usually from the rock and if you don't want it that way people don't really mine it they find it they only mine copper ore not copper.
a coal mineAnswer:The San José Mine near Copiapó, Chile is a copper and gold mine (primarily copper).
Because copper is relatively easy to smelt.
This mine is mine. Let's mine this lode!
Copper is an element - a natural, straight-from-the-mine metal.