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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.

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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.

The Fire Assay of Carbon


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

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 Equipment Do I Need?


Getting started in prospecting often requires the purchase of some equipment, but one can spend as little as $10 and be finding gold or spend thousands and also be finding gold—yet you will probably have many more opportunities and possibilities with more and better equipment. 

Piggin' for Gold


Take a look at the picture—it’s pretty simple and you can build it yourself.

Ask the Experts


What are the tell signs of garnet deposits?

From Curiosity to Mine Owner


His brother’s friend showed him a vial of gold that originated from his family’s mine in Honduras. Within two weeks Ernie had flown to Honduras to get a first-hand tour of the historic mine and the primitive operation underway to recover the gold.

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The Bawl Mill   • Ask the Experts   • Ask the Experts   • Ask the Experts   • Ganes Creek After The Flood   • A Trip to Morgan-Monroe State Forest of Indiana   • The Pedro Gold Dredge   • Detecting Alone -- What to Look For   • Over the Divide: John A. Miscovich   • What Equipment Do I Need?   • Why Did This Silver Mine Close?   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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