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November 2012 by Chris Ralph
How do I set up a small placer operation?Hard Rock 101: Micro Blasting
Micro blasting can be used to take down hanging rock, separate minerals from overburden, and collect gemstones and other high-value product with minimal damage.
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Bismuth oxide for assaying?
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Designing my own dredge...
The Importance Of Mining Critical Minerals In The USA
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
Reading A River: Understanding Erosion and Gold
Rivers are not just random and accidental; streams and other drainages are what they are because of the forces of erosion acting on the bedrock.
The Subsurface Suction Dredge
The problems of the submersible dredge tube are addressed by the subsurface dredge, where the enclosed sluice recovery tube is suspended from a flotation assembly...
Explosives and Mining
Explosives used correctly will save you both time and money being one of the best and most productive tools you can use.
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The Bawl Mill
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• The Portable XRF Gun
• Gold Dredging on Oregon's South Umpqua
• The Struggle to Reopen Alaska's Largest Gold Mine
• Prospecting With a Detector: Lessons Learned
• The Rush to Treasure Hill
• Tips on Crevicing for Gold
• Using Google Earth and Other Maps
• Proper Assaying of Placer Samples
• Mining, Health Care & Taxes
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
