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PGMs in California

The occurrence of platinum-group metals (PGMs) is rather widespread in California in placer deposits, but they are not of commercial interest as things now stand.

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The Golden Highway—Nevada County


Highway 49—the “Golden Highway”—heads northeast out of Placer County into a stretch of Nevada County that is almost as busy as it was during the Gold Rush. The neighboring towns of Grass Valley and Nevada City are still booming—a beautiful location to live in the Sierra foothills.

Heavy Sands Mining


Lately my mind has been involved with group 4 of the transition elements, namely titanium, zirconium, and hafnium. They all have similar chemical properties. Of greatest interest to economic geologists and miners is that these valuable elements often occur together in sands.

VCIs for Environmentally Safe Maintenance


A new preventative maintenance program utilizing environmentally friendly Vapor Corrosion Inhibitors (VCIs) is becoming a reality in major mining operations today.

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Legislative and Regulatory Update


• "Scared" Indian sites and Glamis gold
• Regulatory Flexibility Act
• Miner Acquitted
• Environmentalists at it again in Oregon
• Miner owners want high court to overturn ruling
• More of the same from the EPA

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Marketing other minerals recovered while gold mining

Government Appeals Miner Injury Case to Supreme Court


The Supreme Court said it will consider whether two miners may sue federal officials for personal injuries following a roof collapse at a copper mine that left them paralyzed.

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