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Why would it be profitable to reopen copper mines to mine ore that's just 0.5 percent copper?
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.
What were the miners mining for?
They worked in a gold mine for a company mining for gold.
What percent of copper in ore is cost efficient to mine?
Q=MC(DELTA)t
What is the cost of refining 1 oz of gold?
It cost $1,100.00 per troy ounce to mine, extract and refine one ounce of pure Gold. Walt
Why gold price increasing now a days?
Because Mine experts have told everyone that it is running out. There are also many adverts on TV. For example "cash for gold" where you exchange your gold into cash. Hope that helps. :)
How do people in Newfoundland make money?
They mine for diamond, gold, and copper
How do you get gold in castle miner z?
first make a stone pick axe then mine copper then make a copper pick axe then mine iron then make a iron pick axe then mine gold then make a gold pick axe and mine dimonds then make a dimond pick axe then mine bloodston then make a bloodstone pick axe and you can mine anything really fast
What type of mine in Chili collapsed?
It is a gold/copper mine that collapsed in Chile.
What type of mine is in chile?
Gold and copper
Can you make gold from mixing coal and copper in Minecraft?
No, gold is already made, you just have to mine for it. Vanilla Minecraft doesn't have copper in it, at least not yet. Unless of course you downloaded a mod for it.
What kind of mine was the Chile miners in?
a coal mineAnswer:The San José Mine near Copiapó, Chile is a copper and gold mine (primarily copper).
Do you get paid a lot to mine?
people do get payed a lot to mine for gold, silver, tin, and copper.
After 23 years you learned child is probably not mine?
the awnser is that peopleuse to mine for gold and get money for families and make families better.
Why do we use copper in wires than gold?
Copper is much more abundant in the Earth's crust than gold is. It's also easier to mine.
What does Morocco mine?
gold,silver,sulfur,copper, and a hole bunch more.
What kind of ore is mined in the Chilean mine where the miners were trapped?
Copper and Gold
Why do we mine?
we mine to get our suppilies like gold ,iron,cooper,jewels and money
