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Prospecting & Detecting

Dredging Tips and Tricks: T-80 Air Compressor Maintenance

The next morning, I retrieved the compressor and again attacked the sticky head bolt. As if by magic (and some applied physics) the head bolt sighed and finally broke loose.

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Old Patch, New Detector


I have been detecting the area on and off since I discovered it. Every time I bought a new detector it was the first place I went to.

Revisiting an Old Mine in Idaho Reaps Rewards


Our research indicated this whole area had been claimed by Newmont mining company for several years, but when the price of gold dropped they let the claims expire, and we confirmed this with the local BLM office.

Guinea Africa: Gold, Ebola, and A Monkey Barbecue


Doubters be informed, yes, there is gold in Africa—lots of gold—and all the good and bad that comes with it.

The China Hat


Underwater Reclamation


Working underwater certainly has its challenges, but since I wanted to learn how to blast underwater, I just  needed to dive in headfirst and take charge of the operation.

The Significance of Nuggets in Placers


Chances are better that both types of gold did not come from the same source. Let's look at the probable conditions to cause two types of gold in a placer.

Buyer Beware! Counterfeit Metal Detectors


When I was recently in West Africa, I got to see and play with my first, phony, Chinese knock-off metal detector.

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The Bawl Mill   • Our Readers Say Re: It's Time to Get the Heck Out of China   • Ask The Experts - What’s the status of suction gold dredge permitting in California?   • Ask The Experts - How do I properly and safely dispose of blasting caps?   • Ask The Experts - How much silver per ton does it take to make a mine profitable?   • Ask The Experts - How clean do my gold concentrates need to be to pour a gold button or bar?   • Ask The Experts - What is the name and model of the old jaw crusher pictured in last month’s issue?   • Hard Rock 101: Mechanical Techniques   • Clearing the Nugget Trap with a Detector   • Resurrecting an Old Hard Rock Mine—Setting Up the Millsite   • Desert Prospecting Yields More Than Just Gold   • Memories of Shirttail Creek, Northern California   • Indictments Pile Up for Gold Traders   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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