Small Mining Operations
Hard Rock 101: Small-Scale Blasting
August 2020 by John Norman
…the process remains much the same: Drill holes, load explosives, close up the holes, blast and muck out the resulting broken rock.
Evaluating Gold Recovery with Mass Balance Calculations
Whether you are placer or hard rock gold mining, maximizing the efficiency of your recovery process is very important to success, and accurate testing is necessary to do so.
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Options for affordable crushers for small mining operations
Some Tips and Tricks for Dredgers: Determining Pulley Size and Belt Length
If Epd is larger, then the compressor will be spinning faster than the manufacturer’s maximum specified RPM and might destroy itself. If this happens, then the compressor again might not produce enough air to support a diver. Neither is a desired outcome.
Mining on the Comstock Lode
Even with the decades of mining and exploration, much of the Comstock is still underdeveloped and its potential not fully tapped.
Evolution Of A Desert Wash Plant
The water instantly dropped though the screen, leaving a pile of mud behind! I was so excited that I replaced it with a 150-mesh screen, and the same thing happened!
A Model Mining Operation
After he excavates the ore down to bedrock, he goes over the bedrock with a metal detector to ensure he didn't leave any gold behind before he backfills the area.
Conductive Minerals and Your Metal Detector
...most prospectors don't even think about the conductivity of minerals, but there are some that do conduct electricity to a certain degree, so metal detectors will respond to them.
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The Bawl Mill
• Ask The Experts - Where can I obtain chemicals for flotation?
• Ask The Experts - Can I get an update on your efforts in DC?
• Ask The Experts - What equipment do I need to enter an old lode mine?
• Hard Work Pays Off On Hard Rock
• The Mysterious Telluride Minerals
• Detecting: Getting Away From The Heat And Into The Gold
• The Coolgardie Gold Mining Camp of Southern California
• Gold Prospecting for Better or Worse: How Curiosity Burst My Platinum Bubble
• Prospecting for Copper—What to Look for on the Outcrop
• Dredging Tips and Tricks: A Measure of Water Pump Efficiency
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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