Professional Equipment for Serious Detectorists!

Magazine

How To

How to Interpret Assay Values

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.

Online access required. Please .

Add a Comment

Additional articles that might interest you...

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


Viewing details on Google Earth

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. 

Subscription Required:
The Bawl Mill   • Legislative and Regulatory Update   • California: The Land of Big Nuggets—Part II   • Bedrock Nugget Hunting: Tools of the Trade   • A Primer on Bitcoin and Other Cryptocurrencies   • Gold Hunting on Libby Creek   • PLP and MMAC Update   • Man's Best Friend   • An Interview with Minelab Engineer Mark Lawrie   • Third Largest Nugget in Existence Returns to Dallas   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

Free:

Advertisements

Garrett Electronics - trusted by real miners & prospectors!
Precious Metals Recovery plants and equipment
Fighting to keep public lands open to the public
Specializing in the processing of precious metal ores!
Watch prospecting shows on your computer right now
Free Online Sample Issue