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Placer Platinum

The platinum group metals (PGMs) are divided into three that are “light,” about the same atomic weight as silver, and three that are “heavy,” about the same atomic weight as gold. The three light PGMs are ruthenium, rhodium, and palladium, and the three heavy PGMs are osmium, iridium, and platinum.

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The Bawl Mill   • Higher Copper Price Brings Hope, Jobs   • Zeballos Gold Camp, British Columbia   • Agreement Allows Pogo Mine to Resume Construction   • Treasure Hawk Mine Back in Action   • Oregon Dredgers Receive Threats From Environmentalists   • Understanding Hard Rock Mining: Terms and Methods—Part I   • Mood at Calgary Conference is Subdued, But Optomistic   • Reinventing the Wheel—The Infinity-Jet   • Company Notes   • Endangered Species Act is a Mess   • Here Come the MineBots   • Agency Gives Initial Backing to Kensington Mine   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back   • Melman on Gold & Silver   • Brits Thwart Robbery of Gold and Cash

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