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Large Scale Mining

Re-Opening Nevada’s Relief Canyon Mine

When I read about these new discoveries, I often wonder how the original operators ignored all the additional ore. Yet this has happened again and again in Nevada and many other places.

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The Basics of Crushing and Milling Operations


In processing gold, silver and other valuable ores, the minerals containing the values, such as metallic gold, silver-bearing sulfides or other minerals, must be freed from the surrounding host rock before those valuable minerals can be captured.

Gold Ores of the Delamar District, Nevada


Even as late as 1906, Delamar was second only to Tonopah and Goldfield in production outshining many better known areas. Since the first discoveries, more than 700,000 ounces of gold have been produced from the mines here.

Gold and Silver Deposit May Be World's Largest


A crater in an undersea volcano off Japan may contain the world's largest gold nugget ever found...

Underground Mining: Stoping Methods


In an old mine that does not have stopes, you know the old miners did not take much if any ore out of that excavation. On the other hand, if you see large stopes within the mine you know that it is these places where the miners found profitable ore deposits within the vein.

Selecting A Low-Risk Region To Explore, Mine or Invest


“The evidence is clear—mineral deposits alone are not enough to attract precious commodity investment dollars...”

Using Structural Clues to Locate Buried Placer Channels


They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.

New Silver and Zinc Mine Slated for Montana


Arizona-based International Silver Inc. is proposing an underground silver and zinc mine in Montana and has asked Butte-Silver Bow County to lease them the surface and mineral rights to hundreds of acres.

Subscription Required:
The Bawl Mill   • The Wild Rush To Find More Cobalt—Part II   • Trash! A Hindrance Or Hot Spot For Hidden Gold?   • Rare Silver Nuggets And Their Origins   • Legislative and Regulatory Update   • PLP and MMAC Update   • New Rules For Taxing Pass-Through Income   • Sulfides and Intergrain Gold Wire Nuggets   • Man Who Died In Yellowstone In 2017 Was Looking For Hidden Treasure   • $50 Million in Gold From 1857 Shipwreck Approved for Sale   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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PLP To Address Needs Of Small Miners With Proposed Amendment

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