Small Mining Operations
Spanish Gold Ledge Still Producing Gold
June 2013 by Jane Alene Boyles
The Gold Eye placer claims, located in the La Cholla district of Arizona, are still producing some beautiful gold. From the days of the Spanish explorers and Mexican miners, men have tunneled into the earth in search of gold in this area.Small High-Grade Pocket Districts
…the excitement passed so quickly that little work was done, but they still have good potential, and I find they are not as well-known and not hit so hard by most prospectors.
Determining The Optimal Crushing Size for Gravity Recovery
It’s not easy to figure out what is best without testing, and so a certain level of confusion has developed about how small the ore ought to be crushed.
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.
Sixteen to One Gold Mine: Going Underground - Pt II
We descended hunched over, down a long, steep, wooden staircase to the 1,000-level.
Setting Up A Placer Operation
Trommels come in two basic sections. The first section is called the scrubber unit. The second is the punch plate, where the gravels and ore of a specified size drop out into a variety of sluice box recovery units.
Using Structural Clues to Locate Buried Placer Channels
They must have assumed the paystreak was spotty and had been mined out, so they never mined as close to the side of the valley as they should have.
Gold in Guyana—Part I: Porknocking on the Puruni River Road
In part one of this two-part series on gold in Guyana, I describe artisanal mining efforts currently winning alluvial gold from small-scale placer operations located along the lower Puruni River and its tributaries.
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The Bawl Mill
• Breaking Rock the Old School Way
• My Lucky Month of March
• Gold Rush in the Congo—Part II
• A Journey Into the Silver Peak Range
• Ancient River Channels of Trinity County
• Which Nugget Detector Should I Get?
• Liberty and the Phoenix Mine
• Confluence Placers
• Nevada Mining Tax Cap Repeal Clears Committee
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
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• The Birimian Greenstone Belts of West Africa
