Large Scale Mining
Eastern Oregon Mine Seeks Permits
September 2012 by Associated Press
After a host of companies spent 20 years prospecting, a mining firm is ready to make a play on the $2 billion lode of gold sitting in Eastern Oregon.Company Says Central Idaho Project Feasible
...the federal agency is intrigued by a plan that might result in cleaning up the area without cost to taxpayers.
A Third Generation Small-Scale Hardrock Revival
One of his friends had 700 feet of small-gauge mine track and a hundred-year-old track bender laying out in his back 40; plus he also wanted to join the team. Perfect.
Prospecting for Copper—What to Look for on the Outcrop
For the prospector, knowing what oxidized hydrothermal alteration looks like in the field is an important exploration tool.
The ABCs of XRF
Fast forward to present day and the XRF has come of age. Pull the trigger on the hand-held device and you get a nearly instant assay of the surface of a rock.
Who is a Qualified Person?
So you think you have an ore deposit? The work has been long and hard, but there are a few drill holes, lots of samples and assays. The data is in a reliable computer and there may be a mine at the end of the tunnel. What is the likelihood of a profitable operation? Can you raise capital for development or exploration?
Polymetallic Skarn Deposits
Polymetallic skarn deposits are an interesting class of deposits that can contain a number of different types of metals.
EPA Recommends Against Reissuing Permit for PolyMet Mine
PolyMet contends the project will actually reduce mercury and sulfate discharges into the St. Louis River watershed because it will clean up an old iron mining waste pond at the processing plant site.
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The Bawl Mill
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• Wild and Scenic River Prospecting—North Fork of the American River
• Detecting for Gold—Finding Nuggets Where You Least Expect Them
• Potholes and Other Bedrock Traps
• Financing by the Crowd
• Wealth Beyond Your Wildest Imagination
• Gold Too Big to Carry
• The World of the Simple Gold Pan
• New Silver and Zinc Mine Slated for Montana
• Mining Returns to Historic Comstock
• BLM Issues Environmental Review of Wyoming Uranium Mine
• Melman on Gold & Silver
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