How To
Ask the Experts
January 2015 by Chris Ralph
• How do I clean up gold encrusted with iron-sulfides?Pumping Water With Solar Power
Solar energy can be used for any size placer or hard rock mining operation. It is most practical for small and longer-term operations provided your mine is not located in a dense forest.
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.
Making Adjustments to Catch Fine Gold
This fine gold that is so common is probably the most notorious for eluding our riffles and mattings.
Hunches, Choices and Guesses
When you approach a location, even if you've been there before, you should consider all the factors and conditions present at the site. This includes both natural and man-made factors.
Proper Assaying of Placer Samples
The whole purpose of sampling mineralized ground is to measure the values in a small volume of material that would be representative of a much larger volume of similar material. The key word is representative. Chemical and fire assaying will not accurately represent placer deposits by themselves.
Turning Hobby Mining into Business Mining
The first thing a person should do is seriously consider whether they want to go mining as a hobby or a business, and the tax implications of the choice.
How to Make a Rock Sled for Dredging
When my “anonymous” friend told me the rock tub was probably a hundred miles from where he safely stashed it, I decided to build another sled and improve on my old design.
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