Small Mining Operations
All About Hard Rock Drills
July 2021 by John Norman
There are three basic power sources for rock drills—electricity, gasoline and compressed air. Before we go into big pneumatic drills, we’ll start with a quick rundown of each.
How to Refine Silver—Pt I
Silver refining has been used from ancient times to change the characteristics of the metal. Early metallurgists refined silver by heating it a couple hundred degrees above its melting point and holding the metal at an elevated temperature for a period of time.
Finding Gold in Tailing Piles

How to Make a Rock Sled for Dredging
When my “anonymous” friend told me the rock tub was probably a hundred miles from where he safely stashed it, I decided to build another sled and improve on my old design.
Principles of Designing Your Mill Production System, Part II: Mill Design
Starting small with quick profitability gives you a lot of financial elbow room plus real-world experience that can be used for final mill design.
Mining Pegmatite Deposits
With successively lower temperatures as the water mixture cools, new sets of minerals are formed and many of those stable at a higher degree of heat became subject to alteration as the temperature progressively moved lower.
The Oregon Claim

Gold Deposits of the Ivory Coast
Ivory Coast has considerable gold reserves, and this nation has the largest area of greenstone belts prospective for gold in the continent.
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The Bawl Mill
• Legislative and Regulatory Update
• Ask The Experts - What percentage of the gold price can I get from a buyer?
• Ask The Experts - Is a hookah battery setup legal in California?
• Ask The Experts - Are friends and relatives regulated like employees?
• Ask The Experts - What do you use for flux for melting gold?
• Ask The Experts - Why Isn't There A Dual Coil Detector?
• Ask The Experts - Who has the rights to a vein that goes under a neighboring claim?
• Ask The Experts - Is platinum usually magnetic?
• Ten Detecting Tips for the Savvy Desert Prospector
• Gold Prospecting for Better or Worse: When a Gold Prospector Goes to a Diamond Mine
• Why So Much Gold in Nevada?
• A Golden Past
• Fire Assay Finish by Silver Nitrate Fusion for PGMs
• Do Gold Nuggets Come Out At Night?
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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Judge Rules Against Dredger in Idaho Civil Case
• PLP Update