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...

Ask the Experts


Questions regarding patented and unpatented mining claims and the legal rights surrounding them.

Refractory Gold Processing


After your excitement peaks when you first receive the high gold assay from the vein you just exposed, you ponder how you will extract and sell your gold. You will need to develop a flow sheet for your process to optimize your recovery and minimize your costs and permit requirements.

Ask the Experts - proper mining claim procedures


Q: Can you offer any information on proper mining claim procedures?

Sniping for Drought Gold


There are not a lot of tools needed to get out and take advantage of the situation. Other than my wetsuit, I typically travel light with a gold pan, maybe a pry bar and a few crevice cleaning tools.

Putting Together A Small Free Gold Mill


Most small-scale miners want to know how they can set up a system much more cheaply. The difficulty is in the balance of putting together a decent small-scale system at a reasonable cost.

Proper Placer Sample Processing


...your sampling procedures should not be designed to catch gold your mining technique will never recover.

Geobotany: Plants Associated With Mineral Deposits


Science has shown, over the past few centuries, that there is a direct correlation between certain plants and their geophysical surroundings.

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

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