How To
How to Interpret Assay Values
January 2018 by Don Robinson
This assay system of ounces per ton sounds simple enough, but the use of the metric system and the additional measuring terms of “grams per ton” and “parts per million” (ppm) has created some misunderstanding of ore value.
How to Upgrade Your Pocket Plunger
These three simple upgrades, when taken together, will considerably increase a pocket plunger’s magnetic pull and make it less susceptible to breakage.
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.
Ask The Experts
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Breaking Rock the Old School Way
Prospectors have many reasons why they might want to break rocks. These include dividing up a specimen too large to carry.
So You Want To Be A Full-Time Prospector?
The high price of gold and the poor economic conditions here in the US have created an unusual situation—a large number of folks are thinking seriously about getting into prospecting and digging for gold on a full-time basis.
The Importance Of Mining Critical Minerals In The USA
Critical minerals are products that the government has designated as critical to our national interest because of both their potential military and industrial applications.
Sampling, Hydro-Shocking & Cleaning Quartz-Gold Specimens
Many specimens have a small amount of gold and are not pretty to look at. There is a nifty way to give them a makeover and make them much prettier than they were when you found them.
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