Small Mining Operations
Advancements in Non-Toxic Gold and Silver Leaching
January 2019 by Chris Ralph
The non-toxic thiosulfate is actually the medical antidote given to people for cyanide poisoning. By accomplishing both neutralization and metals recovery, this process creates an economic and environmentally attractive process.
Ophir—Possibly the Best Kept Secret in Alaska!

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• Making a noisy dredge more quiet
The Bucking Room

The Hughes Creek Placers, Montana

Crushing Quartz in Calaveras County: A Placer Miner Learns New Tricks
I had never run an impact mill before, but anything involving rocks, water and a big electric motor sounded great.
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Ore testing and other advice for starting up a mining operation.
Commercial Placer Mining: Alaska Style
There are currently about 170 commercial-scale placer operations in Alaska. Most of these are small operations with just a few people working; they are often family affairs that operate seasonally only during favorable weather.
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The Bawl Mill
• Ask The Experts - Need advice on melting gold
• Ask The Experts - Can gold be found with sugary, crystalline quartz?
• Making A Big Discovery
• More On Gold Indicators—What to Look For
• The Underground Mining Adventure Continues
• Alaska Gold: Lisianski Inlet's First Bonanza
• Route Planning Using GPS
• The Mineral Range Districts of Utah
• Gold Prospecting for Better or Worse: Stupid Is As Stupid Does
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices