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Looking Back
June 2008 by Staff
Excerpts from California Mining Journal, our original title, published 50 years ago this month.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

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
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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
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