How To
Ask The Experts
May 2016 by Chris Ralph
• How small should I crush my hard rock ore?
Fine Gold Panning Without Using Mercury
The technique I will describe is a much safer alternative and it works. It’s a fine-gold panning technique that eliminates the need for mercury amalgamation of most placer samples.
Ask The Experts
What are the steps for filing a mining claim?
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.
How to Find Prospects That Others Missed
Every year I go through this and every year it becomes more difficult to find new territory that is available for us to prospect. Is there anywhere that hasn’t been worked?
Small-Scale Concentrating and Recovery Methods
The first step in my recovery process after milling the ore to the desired size is to table it. On this particular ore, I get good results milling it to minus 100 mesh.
Determining the Amount of Gold in Rich Ores
This is just the type of specimen that could have been easily ignored by the old-time miners. It felt a little heavier in my hand than a chunk of quartz of that size ought to have been.
Hard Rock 101: Blasting With Kinepak Explosives
Fortunately, there are products on the market that can address these problems and make a small-scale mining operation feasible.
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