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The Oretron

Most ore bodies generate a voltage, giving the prospector another valuable method of tracing and locating these hidden minerals. With the Oretron, one can sense and measure these voltages along the ground surface...

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Mystery of Olmec Jade Solved


Since the 18th century, collectors, geologists and archaeologists have sought the answer to a frustrating mystery: The ancient Olmecs fashioned statues out of striking blue-green jade, but the stone itself was nowhere to be found in the Americas.

Detecting Alluvial Bench Deposits -- Pt II


Walking around the gulch and exploring the upper drainage, picking up different rocks and inspecting them with a good loop, and looking them up in a field guide of rocks and minerals of your region will help you understand how the gold got there.

Bigger Is Not Always Better


I stayed on the nozzle (about 25 pounds) and Dave moved rock. We worked the hole for two and a half days. Most of the time was spent moving overburden.

Papa's Got A Brand New Dredge!


It was time to prime the pump and start the engine! Dan’s priming method is to use a small, submersible, 12-volt pump. My priming method is to use a hand-operated diaphragm pump.

The Hunt for Remote Canyon Gold


A large, 8-pennyweight piece popped out of a very small crevice where the water had been extremely swift in the winter, leaving no visible gravel.

Mining Stock Quotes and Mineral & Metal Prices


Entry-Level Metal Detectors for Gold Prospecting


These are entry-level machines designed with gold prospecting in mind and with the ability to handle mineralized ground and see nuggets of a grain or so in size, perhaps smaller.

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The Bawl Mill   • Our Readers Say   • Enrichment of Gold Veins   • The Assay of High Iron Gold Ores   • The Patch   • History of Mining—Bradshaw Mountains, AZ (Part I)   • Picks & Pans—The Green Rock, Rattlesnakes, Good Gold and Ruth's Mine   • Silver Hill, North Carolina   • Residual, Lateritic and Gossan "Soils" as Potential Nuggetshooting Sites   • Hardrock in Downieville   • Looking Back   • Company Notes   • Gold in Northern Baja California   • California State Gold Panning Championship Results   • Melman on Gold & Silver   • V.P. Contender Addresses Mining Show

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