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How To

Hand Panning Micro-Fine Gold

Once you get down to the black sands or a few tablespoons of material, the technique changes dramatically.

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Additional articles that might interest you...

Regarding "Good Assays and Bad"


Last month I wrote an article entitled “Good Assays and Bad,” which gathered a few comments.

How To File A Mining Claim


Filing claims is actually quite easy, though there are a number of pitfalls that you should watch out for. Over the years, I have made just about every mistake you can with a mining claim, and have learned a few things to watch out for along the way.

What To Do When Gold Recovery and Assay Values Differ


Before going into an analysis of the ore composition, two other major factors will affect the result. These are the accuracy of the assay and the effectiveness of the mill for the gold recovery.

Operation And Application Of Magnetometers


The technology used in these devices has advanced greatly in the last century. Many different types of physical effects are used to measure these magnetic fields and we will briefly look at some of these.

Care and Lubrication of a Model 13 Laboratory Wilfley Table


A Wilfley table works best when all of the mineral being run across it (the pulp) is about the same size.  For this reason, I took a good look at each of the samples.

The Fire Assay of Carbon


Carbon, activated charcoal, or “char,” as some old timers refer to it, can be an assayer’s nightmare.

Where Should I Start?


Digging in the right spots will produce excellent results, like this group of nuggets taken by the author while metal detecting during the last few months. The biggest nugget is over an ounce.

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The Bawl Mill   • Legislative and Regulatory Update   • Ask The Experts: How many claims can I file in Arizona?   • Ask The Experts: What should I do with a large amount of old placer concentrates?   • Shaker Tables for Processing Hard Rock Ores   • Becoming a Successful Detectorist   • Sampling, Hydro-Shocking & Cleaning Quartz-Gold Specimens   • My Lucky Thirteen Nuggets   • Crushing, Grinding and Pulverizing   • A Break in the Weather   • From the Editor   • Prospecting Knowledge -- Pass It On!   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices   • Over The Divide: Miles John Mitchell

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