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Looking Back

Excerpts from California Mining Journal, our original title, published 50 years ago this month.

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Greenstone Belts in Minnesota


Greenstone is a dark greenish-black basaltic rock which, along with chloritized schist, forms belts up to 50 miles wide in northern Minnesota, in rocks of Late Archean age. Most belts are 2.6 to 2.9 billion years old.

Picks & Pans: Rattlesnakes in a Gold Camp


Leon was leading the way as we hiked the trail out of North Canyon. Without any warning Leon leaped into the air. He had just spotted a big rattlesnake lying in the grass beside the trail.

Legislative And Regulatory Update


• Good news on EPA regs
• California rewards key appointment to dredging foe
• Republicans seek to block creation of National Monuments
• Zimbabwe threatens seizure of mining rights

Ask the Experts: gold per ton; improving assay method


Q: How much gold do I have per ton and how can I improve my assay method?

Our Readers Say


From Curiosity to Mine Owner - Pt II


When we last heard from Ernie, he was still in Honduras and we were anxiously waiting to hear how the set up and training went at the mine. It got a bit complicated after that.

Fire Assay Finish by Silver Nitrate Fusion for PGMs


…my intent is to distribute this information in layman’s language so that even the “backyard/shade tree/mom & pop” fire assayers can benefit.

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The Bawl Mill   • Our Readers Say   • Platinum Alley—The South American Zone of Wealth and Adventure   • Choosing The Right Detector Coil   • Washington Gold Miners Receive Ecology Award   • Internet Scams   • Becoming A Nozzle Master   • Slug Gulch   • Gold Deposits of Georgia   • Mining the Old-Timers   • Prospecting Adventures—Pure Gold   • Legislation Would Require Palladium Coin   • Record Gold Prices Prompt Gold Mining In Boulder   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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Legislative And Regulatory Update

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