Small Mining Operations
River Dredging vs. Creek Dredging—Part II
January 2012 by Ron Kliewer
While river dredging in fast water, don’t be afraid of being swept out of your dredge hole by the current. If this happens—and it most certainly will in fast water—there is no need to panic. Don’t try to swim against the current because you will waste much energy in an effort to conquer the river. Just let it take you downstream.Caught Between A Hard Rock and A Rare Earth Place
The same day, while two of us were heading to Vancouver to attend the mining convention, two others from our team were headed to Nevada to begin loading the millsite equipment.
Principles of Designing Your Mill Production System, Part I: Starting Up
One of the issues that prospectors run into when working to upscale from micro-scale hard rock testing to a greater production output, is that they often confuse individual devices or machines with systems.
The Basics of Froth Flotation
![](http://www.icmj.com/userfiles/images/201506/toc-32-flotation-gold.jpg)
Gold in Guyana—Part I: Porknocking on the Puruni River Road
![](http://icmj.com/userfiles/images/201207/TOC-gold-in-Guyana.jpg)
Good Research and Bad Luck
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Shaker Tables for Processing Hard Rock Ores
Most placer equipment is really made with gold in the 30 and larger mesh sizes in mind, though if carefully used can often get reasonable recovery down to the 50 mesh size.
The 10-Ton Boulder: Expanding Grout Demolition
Imagine you have located a source of virgin placer ore containing immense gold value. Now imagine that there is a 10-ton monolith of extremely hard gneiss in between you and payday.
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The Bawl Mill
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• Where to Find Gold in Indiana—Part II
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• Time Well Spent
• Reality of the Klondike
• NWMA Show
• Pot Hole Gold
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices