Most mining companies contacted today either refused comment or did not immediately return emails or phone calls.
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The Geopark coincides with the Colline Metallifere (Metalliferous Hills), most important mining district in central Italy.
Despite Zimbabwe's mineral riches, most big mining firms have stalled future plans.
Rio Tinto (nyse: RTP - news - people ), based in London, is one of the most diversified mining companies in the world, with huge reserves of iron ore, copper, aluminum and uranium.
Most Latin American mining companies aren't overly expensive in comparison with their earnings.
It has described one of them, the Solomon Hub, as "the most valuable undeveloped mining project in the world".
Most of their mining operations occur in Zambia, so the company and the Zambia government sat together to discuss making First Quantum shares available in the local currency.
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Most of the mining companies that Silver Wheaton works with produce silver as a by-product of their mining operations and so is a win-win arrangement for both the participating companies.
So it can buy royalty streams from coal mining companies (most collect royalties from reserves as well as mining their own coal) at five to seven times cash flow and still boost returns to its own unit holders.
Streamlining and incentives have made Harmony the most productive gold-mining firm in South Africa.
But despite the sector's recent woes, most analysts agree that mining holds the key to a prosperous South Africa.
Except for the mining lease, most approvals are in place and land deals have been locked in with stakeholders.
And most of this is from mining and oil companies, which have little choice but to go where the minerals are.
Another court decision Thursday was to cancel the leases of 49 Karnataka mines facing the most serious charges of illegal mining and land degradation.
But this week the path forward may have been found by one of the most unlikely and ridiculous gold mining firms ever to trade on an exchange.
The most compelling case for asteroid mining is for a yet-undesired element that turns out to be not abundant in the earth's crust and becomes suddenly valuable because of some future technological advance.
The desired outcomes of the meeting are to identify the most significant issues involved with mining in or near biosphere reserves and to begin the process of establishing guidelines for mining in biosphere reserves.
While people in north Wales agreed with their west Walian counterparts in identifying landscape and mining as the most important elements of their heritage, and picked a miner's lamp and a beer barrel as objects that should be preserved for the future.
It's one of the most brutish and efficient methods of mining known to man.
And most of Canada's large mining companies have been picked off over the years by global giants.
Before the boom, the junior mining companies that include most of the Toronto listings had suffered a long dry spell.
Usama came to the U.S. to earn his PhD in data mining, now perhaps the most coveted expertise for anyone in the web business.
The most successful of these new Big Data mining toolmakers and consultants will likely be those that first master and then advance the technology of data compression.
So most prominent in that are precious metals mining companies.
Thus, while coal mining may not be the most glamorous business to be in, it could prove to be a profitable one for those willing to get their hands a little dirty.
The miners say that the RSPT could push rates to nearly 60%, making Australia's mining taxes the world's most burdensome by some distance.
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The most recent Mad Dog well was drilled by Australian mining giant BHP Billiton.
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Most analysts think investors should stand pat on Hecla Mining, with seven of eight analysts rating it hold.
These were once centres for coal mining and metal founding industries, but most of those heavy industries have been gone since the 1930s.
BBC: NEWS | VOTE 2001 | RESULTS & CONSTITUENCIES | Strathkelvin & Bearsden
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