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Shaker Tables for Processing Hard Rock Ores


Most placer equipment is really made with gold in the 30 and larger mesh sizes in mind, though if carefully used can often get reasonable recovery down to the 50 mesh size.

Legislative and Regulatory Update


• Oregon proposes to stop mining in “scenic” waterways
• More news from Oregon
• Interior Department finally back online
• Alaska DNR departures

Discovery of the Mountain Pass REO Deposit


How does one go about discovering a rare earth oxide (REO) deposit when he is not familiar with the rare and unusual rocks and minerals that are found in such deposits? That was the case at Mountain Pass, California, yet the deposit was eventually discovered and mined.

Crushing, Grinding and Pulverizing


ball millThere are many different ways to get the gold out. We will take a look a few examples of crushing and grinding, and potentially which ores they may be best suited for.

Detecting for Gold in Australia


When I got back to my patch, every signal was a nugget, and I was burning up with the gold fever.

Pick Up Austria's New Coin—If You Can Lift It


The Austrian Mint recently unveiled its new coin—a 68-pound, 24-carat gleaming gold disc worth about $500,000—touting it as the world’s largest and a powerful investment tool.

Return to Chicken, Alaska


I figured it would be quite conservative of me to shoot for about four ounces of gold instead of the twelve ounces I had found in 2013.

Subscription Required:
The Bawl Mill   • Ask the Experts   • The Basics of Small-Scale Heap Leaching with Cyanide   • Will California Dredging Survive?   • Prospecting For Gold—The Osborne/Herman Hardrock Mine   • Journeys in the Kingman Quadrangle   • From Spanish Mine to Modern-Day Exploration: The Historic Gold-Silver Camp of Palmarejo   • Spanish Police Seize Ship in Treasure Fight   • Looking Back   • Gold Mine Proposed in Jefferson County   • Melman on Gold & Silver

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Legislative and Regulatory Update

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