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The Lost Silver Triangle of the Sierra Madre—Part I
April 2008 by Steve Wilson
The North American continent harbors a vast mountain fastness that few Anglo-Americans have seen—an awesome land cut by perpendicular canyons and towering peaks, a forbidding wilderness virtually unchanged...
Lode or Placer: What Difference Does It Make?
This explains the large difference in particle sizes between placers and hydrothermal lode deposits, but also means that while the mining may be similar in some cases, the sampling and recovery techniques are usually quite different.
Detecting for Possible Mid-Range Eluvial Gold
Actually, this mid-range gold zone can exist in any eluvial placer field with a shallow zone where the ground “tightens up” below the loosely packed surface dirt to harder packed dirt. However, its presence depends upon several factors:
Basic Geology for the Independent Miner—Part V Geology of Hardrock Gold Deposits
In this installment we will finish up our discussion of how primary hardrock gold deposits form. Understanding how rock alteration works can lead to some good ideas for exploring around old mining districts.
Highbanking for Gold
Pumps can be set up quite a distance away horizontally from the sluice, even hundreds of feet. It will work so long as there is sufficient water at the source where the pump is located. Vertical distance is more of a problem than horizontal distance; 30 to 40 feet is the maximum vertical climb for most pumps.
Dry Placers in the Kamma Mountains, Nevada
There are dry placer gold deposits in every county in Nevada, some of which are yet to be discovered.
Exploration, Development and Taxes
Further demonstrating the importance of seeking professional assistance and advice are the tax rules governing the expenses of a mining company. The tax treatment of mine exploration and mine development costs is confusing, complex and often overlooked or ignored—except by the ever-vigilant Internal Revenue Service.
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