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More Tips for Evaluating Ores
July 2007 by Charles L. Butler
Tabling and jigging are two relatively inexpensive methods for recovering the “free particle values” from the noble metal ores. However, not all ores contain their values as free particles. In fact, many ores contain appreciable amounts of “metallic salts” that readily dissolve in one’s system water and continue to migrate right along with this water.Ask the Experts
Market for scheelite concentrates?
Legislative and Regulatory Update
• Change is coming at Interior
• Interior Department seeking public comment regarding minerals
Legislative and Regulatory Update
• Miners win latest round
• New push to close off lands in New Mexico
• Close call in Peru
• New underground safety requirements
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.
Dredging for Monazite in Idaho
The advent of the nuclear age, after World War II, aroused concerns in government circles when officials realized the United States was entirely dependent upon foreign sources of supply for rare earth elements. This prompted the Atomic Energy Commission (AEC) to enlist the US Bureau of Mines Special Minerals Investigation Branch to evaluate monazite-bearing placers in the United States in 1948.
Ask the Experts
Q: What should be considered in a Joint Venture on a gold claim?
Ask The Experts—What's the cheapest way to mine quartz for gold?
Q: I have a gold mine in Colorado. There was an assay done which stated [there is] a lot of quartz within the mine. What is the cheapest way to mine it for gold? I don’t have the money for mills, etc. Can I do it by hand (during summer holidays), and how would I get started?
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The Bawl Mill
• Ask the Experts
• The Mountain Gate Mine
• The Basics of Small-Scale Heap Leaching with Cyanide Part I—History, Suitablility and Permitting
• 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
