Massive ore deposits of copper, lead, zinc, silver, gold and other metals formed in this way.
Copper and lead have been the most commonly targeted metals with the price for both of them peaking during March.
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Although BNP Paribas looks for strength in base metals next year, it lowered its fourth quarter 2012 and first quarter 2013 price outlooks for aluminum, copper, lead, nickel, tin and zinc from previous forecasts after price weakness earlier this year.
Det Supt Paul Northcott from Devon and Cornwall Police said until last year, thefts of lead, copper and other metals had been rising steadily.
For example cathode ray tubes those monstrous glass blobs found behind the housings of all of our old TVs and monitors, cost far more to process properly and safely than the value they can produce from the lead, copper and glass in them.
Currently, mining -- particularly diamonds, copper, gold, zinc, lead, uranium -- constitutes more than 12% of Namibia's GDP, according to government figures.
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The sludge inside the tank contains chunks of solids, many common metals including aluminum, nickel, lead, silver, copper, titanium, and zinc and other common elements.
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He knew how to strip the copper wire from dilapidated buildings and the lead from around the pipes.
Production cutbacks in response to the glut are likely to lead to an undersupply of copper in the coming years.
It is thought thieves who stole lead from church roofs and copper from rail lines have moved on to a new target.
The Company has interests in mining for aluminum, borax, coal, copper, gold, iron ore, lead, silver, tin, uranium, zinc, titanium, dioxide feedstock, diamonds, talc and zircon.
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The thefts are usually of lead from roofs, flashing and copper piping, and lightning conductors.
They also point to the fact that lead's main alternative, copper, is more expensive and isn't available in all calibers.
Morgan Chase has been accumulating more than 50% of all the copper stored in London warehouses and is holding it for clients, who are clearly betting that the shortage we disclosded some days ago, would lead to a major spike in global copper prices.
But it has only just kept up with the price of lead and has badly trailed the prices of copper and zinc.
Hellas Gold holds mining licenses for an area covering 317 square kilometers (122 square miles) with proven and probable reserves of lead, zinc, silver, gold and copper.
Barnes Bullets, which manufactures copper bullets because, the company says, they perform better than lead, is seeing increased interest in its non-lead products, said Jessica Brooks, the Utah company's spokeswoman.
This, we think, could lead to a correction in key commodities like oil, copper, but even potentially precious metals, where a lot of people have been hiding, like gold and silver.
The trade exists so that the exporters can avoid the costs of properly managing the hazards (lead and cadmium) and simply reap the profits from the valuable material (copper).
Copper used to be decidely more valuable than nickel, gold was worth far far more than lead.
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