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The Skaergaard Intrusion

First put on the map by two British geologists in the 1930s, the Skaergaard igneous intrusion on East Greenland’s rugged mountainous coast is arguably one of the most studied and researched rock bodies in the world.

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Metamorphic Greenstone Gold


NAS Agrees to Review Superfund Science


The National Academy of Sciences has taken a step toward reviewing a proposed cleanup plan in Idaho.

Gold at Quartzville, Oregon


The site of the old mining camp of Quartzville is 30 miles northeast of Sweet Home, Oregon, via a road which is paved for much of the distance. It is located in mountainous terrain along the west slope of the rugged Cascade Range, with elevations ranging from 1,600 to over 4,000 feet.

Picks & Pans: An Exciting Hobby


The year was 1946, the war was over, and we three brothers were working for Douglas Aircraft, in Santa Monica, California. Jim and I had returned to jobs we held before entering the Navy and George was a “new hire,” having just finished a four-year hitch as a Navy Flight Crewman.

Looking Back


Excerpts from CMJ published 50 years ago this month.

Re-Opening Nevada’s Relief Canyon Mine


When I read about these new discoveries, I often wonder how the original operators ignored all the additional ore. Yet this has happened again and again in Nevada and many other places.

Mineralization, Ground Balance and Metal Detecting


The right ground balance setting for the conditions you are working is critical. If your detector isn’t set properly, you will lose depth of detection, sometimes to an extreme degree.

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The Bawl Mill   • Gold Diver's Closes Its Doors   • Geologist's Search for PGMs Leads to Mining Venture   • Diamonds in the Rough in Montana   • The Art of Finding Coarse Gold Part I—The Geology of Coarse Gold Formation   • Using Microbes for Mining   • The Carter and Reynolds Gold Mines: Is There a Yet Unknown, but Mineable Gold Deposit Here?   • Michigan House Committee Approves Sulfide Mining Regulations   • Surging Gold Prices Add Luster to Nevada's No. 2 Industry   • Ruby Hill Gold Mine to Reopen in Eureka   • Melman on Gold & Silver   • BLM Launches Mining Claim Records Viewer   • Newmont Welcomes Release of Executives   • The Baja Gold Rush of 1889   • Mining Stock Quotes and Mineral & Metal Prices   • Looking Back

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