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Prospecting & Detecting

The Subsurface Suction Dredge

The problems of the submersible dredge tube are addressed by the subsurface dredge, where the enclosed sluice recovery tube is suspended from a flotation assembly...

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ICMJ Visits Downieville, California


Placer Gold Deposits of New Mexico


While a large number of locations have yielded some placer gold, most of the state’s placer production has come from a few productive districts.

Placer Channel Sampling


Sampling gold placers can be rewarding, but remember to treat the samples so you are not high grading or low grading your results. Learn the rules and apply them so your samples are accurate.

Research and Fieldwork Yield Some Promising Gold


A week later, a small team of us hit it again, and this time the gold really showed up.

Becoming a Successful Detectorist


During my adventures I’ve learned a few key best practices that help me to consistently find gold nuggets with my detectors. You can apply many of these best practices to any type of prospecting. These best practices are really common sense; however, they are easy to neglect.

Using Sucker Guns to Find Gold


...if you have a good, rich spot, hand-operated systems can produce some decent gold.

Detecting Clay Seams


Because the old timers were so good at locating the better paying deposits—most of them along clay seams in this particular area—it makes good sense to try and locate these clay lines at old mining sites.

Subscription Required:
The Bawl Mill   • Ask the Experts   • One Potato, Two Potato...   • Proper Placer Sample Processing   • Strategic Metals—Part I   • Dry Washing to Capture Fine Gold   • Are There Any Good Prospects Left?   • Ophir—Possibly the Best Kept Secret in Alaska!   • Southern Oregon's Illinois River—A Lesson in Sharing   • Using Sucker Guns to Find Gold   • Making Adjustments to Catch Fine Gold   • A Few Thoughts About Successful Nugget Hunting   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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