All Articles
The Basics of Small-Scale Heap Leaching with Cyanide Part I—History, Suitablility and Permitting
July 2007 by Chris Ralph
Hardrock 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.
The Bawl Mill
• He did say he’d create jobs...
• Biofuels: More harm than good
• Turnpike employees get more than just a free ride
• A sinking ship...
Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals?
Q: Aside from the softness scratch test and other methods of identification, what feedback would you have on identifying gold in hard rock that may be mixed with other metals that affect its color?
Beyond The End of The Road
Dale's research of known gold producing districts in southern California and his knowledge of metal detecting produced these large gold-quartz specimens. This certainly would make any trip a very good one, but it turned out to be just the...
How To Locate Diamonds
How to locate diamonds: This article focuses on the principal host rock for diamond and describes some gemstones (and kimberlitic indicator minerals) typically found with diamond.
The King Has No Clothes
As green preservationist groups hail their King as he marches down Pennsylvania Avenue loudly proclaiming his land legacy proposals, I am reminded that it once took a child to remind a past king that he had no clothes.
MMAC Update
If you are a claimholder and your Mining District is in disarray, it’s time to join MMAC and get on board so your district can benefit from these changes as they are implemented.
Mineral Exploration On The Rise
…2017 was just the first year with a small increase after a huge drop off in exploration activity. It may take many years of future increases to get back to where the activity was in 2012, as projected increases in exploration spending are seen to be slow and steady.
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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
