How To
Ask The Experts: How do I identify gold in hard rock that may be mixed with other metals?
September 2016 by Chris Ralph
Q: Aside from the softness scratch test and other methods of identification, what feedback would you have on identifying gold in hard rock that may be mixed with other metals that affect its color?
Hand Panning Micro-Fine Gold
Once you get down to the black sands or a few tablespoons of material, the technique changes dramatically.
Evaluating Gold Recovery with Mass Balance Calculations
Whether you are placer or hard rock gold mining, maximizing the efficiency of your recovery process is very important to success, and accurate testing is necessary to do so.
Hard Rock University: Expensive Hobby or Real Business?
Improper sampling techniques lead to more avoidable heartache than almost anything else in micro mining.
A Model Mining Operation
After he excavates the ore down to bedrock, he goes over the bedrock with a metal detector to ensure he didn't leave any gold behind before he backfills the area.
How to Research Prospecting Locations and Mining Claims
If you are interested in researching mining claims for any purpose, you will first have to decipher the BLM’s LR2000, a Rube Goldberg database seemingly designed by a 1980s Soviet-era computer hacker.
Cutbacks at S. African Mines—Britain Blamed
South African gold miners are turning their anger towards Britain, charging that the sale of 25 tons of gold by the Bank of England has depressed gold prices and put them out of work.
Using Vegetation and Soil Conditions as Prospecting Aids
Wouldn’t it be great if you could know if there is gold in the ground without setting foot on the ground? Well you can, to a certain extent, if you can recognize mined ground from unmined.
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