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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.

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Claim Filings Up in the Northwest


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Picks & Pans: Dredging After The Flood


It was dredging season, 1997, after the catastrophic flood had hit us in January—a flood that took out bridges, roadways, undermined the railroad tracks in several places, and isolated us in the town of Quincy, California, for a week. The fog was so thick that planes couldn’t even land at the airport.

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Mining Stock Quotes and Mineral & Metal Prices


Persistence Pays off for Cusac Gold Mines


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