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Looking Back

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

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During the Miocene and Pliocene mid-Tertiary Epochs, the Great Basin, Mojave, and Sonoran deserts within parts of California, Nevada, and Arizona became the source—the genesis—of ubiquitous epithermal “precious metal” fissure-gold veins associated with extensive acidic volcanic lava flows that blanketed much of the Cordillera during this time.

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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   • Placer Platinum   • Here Come the MineBots   • Agency Gives Initial Backing to Kensington Mine   • Mining Stock Quotes and Mineral & Metal Prices   • Melman on Gold & Silver   • Brits Thwart Robbery of Gold and Cash

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