The Basics of Small-Scale Heap Leaching with Cyanide Part I—History, Suitablility and Permitting
July 2007 by Chris RalphHardrock mining is usually done on a large scale, and although a few small-scale hardrock operations still exist, it’s not an easy operation to start up and run profitably.
• "Thank you..."
• "...dredges under 8" need not be regulated"
Reservers and resources are very important to prospectors and miners, but they may be vague terms to some.
Palmarejo Silver & Gold Corp., based in Longueuil, Quebec, is a gold-silver exploration company reexploring a former Spanish silver district in far southwestern Chihuahua.
...frankly, the question is being asked, "How in the world could otherwise rational people even consider investments in the yellow in the yellow and white metals?"
There’s gold in that thar sea floor. Silver, copper, zinc and lead, too. The problem is, it’s a mile or two underwater and encased in massive mineral deposits that layer a dark, mysterious world.
Two Canadian companies are financing a $1 million drilling operation in the Susitna Valley after a Palmer miner discovered purple and orange garnets in gravel he dredged near Shulin Lake.
The Bawl Mill • Ask the Experts • More Tips for Evaluating Ores • The Mountain Gate Mine • Oregon Suction Dredge Permit Update • In Pursuit of Gold and Silver in the Sierra Madres—Buying the Pilot Mill • Life in the Alaska Gold Rush • More Small-Scale Miners Attracted by Gold Prices • Gold in New Zealand • Ready “Ore” Not, Uranium Boom is On Again • Melman on Gold & Silver • Mining Stock Quotes and Mineral & Metal Prices • Looking Back