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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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Additional articles that might interest you...

Following Man-Made Ditches to Recover More Gold


Because of multiple take-out points along a ditch line, the ditches themselves become a wealth of knowledge to us present-day miners.

Going Over Old Ground With Newer Technology


When we got set up and I started to swing the coil over a small mound, I got a good signal, faint but repeatable.

Revisiting Old Haunts


I had some success following this premise this summer, finding a few nuggets in places I think I overlooked in the past.

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Divide and Conquer—Detecting Old Placer Grounds with Friends


He no sooner had turned around and started moving when I hollered again that I had another nice one.

VLF Detector Operating Modes


It is important to note that discrimination is a type of electronic filtering. The signal is analyzed, and depending on the discrimination setting, identified as either a target to be dug or a target to be ignored.

Northwestern Alaska Mineral Resources


Gold and jade are actually only minor mineral resources for the Northwestern Alaska region as a whole. Modern prospecting has focused more on base metal than precious metal resources.

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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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