copper mine

(redirected from Copper extraction)
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  • noun

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a mine where copper is dug from the ground

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References in periodicals archive ?
This difference results in a lower copper extraction efficiency compared to that of zinc.
The reason is as yet unclear, but this phenomenon may be explained by the decrease of copper extraction yields with additional extraction time.
A firm in the picturesque former mining village of Nenthead, on the edge of the Lake District, has announced it is reviving the miner's pasty, which was popular during the region's heyday of lead, coal and copper extraction.
Two weeks ago The Journal revealed how a firm in the picturesque former mining village of Nenthead was reviving the Miner's Pasty, which was popular during the region's heyday of lead, coal and copper extraction.
But there is a possibility of limited copper extraction to make items that could then be sold to tourists.
Real progress was achieved in early 1999 where good copper extraction, acceptable residence times and solids content were achieved.
As a result, some sulphide ore was placed on leach pads, resulting in lower copper extraction than planned.
Copper extraction from abundant but low quality ore produces a huge quantity of dust and slag, and its processing creates large quantities of smoke, sulfur dioxide, and other residues.
This will have benefits, not just for OZ Minerals, but for resources companies with interests in copper extraction, reaffirming South Australia as a leader in mining and energy innovation.
He said sometimes rockets were fired towards the project site, delaying copper extraction.
Three new copper extraction private projects are under way.
Increased concentrations of pyrite, meanwhile, gave increased copper extraction and thus decreased zinc selectivity.
The electro-mining technology subject to the patent revolutionizes copper extraction technology by bypassing nearly all of the traditional copper extraction process, and extracting copper directly from crushed raw material using an electrical and chemical process that allows the copper to diffuse through the raw material and attach to a steel plate submerged in a chemical solution.
However, a variety of minerals are still produced within Europe, as pointed out by Mrs Eleni Georgiou Morisseau, the Director of the Geological Survey of Cyprus: [beaucoup moins que]After millennia of copper extraction in Cyprus which continues until today, several quarries are still active on our island and their production contributes to the economic development Cyprus and of Europe.
Briefed on hurdles to copper extraction, the minister promised security around the site would be maintained at all costs and said the mine was one of the fundamental projects for the country's economy.