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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.

Proposed Nebraska Mine Has Sizeable Deposit of Rare Elements


… the latest analysis shows the amount of rare earth elements present ... is the second largest deposit in the United States.

Critical Minerals Update


The critical metals are essential to the modern lives we lead. The prices of critical metals are moving up even faster than government published rates of inflation, with little sign of slowing down.

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USFS OKs Exploratory Drilling in Eastern Idaho


The new plan approved by the FS says water for drilling at Dog Bone Ridge will now come from Beaver Creek rather than Coral Creek. The agency also said Excellon has added several monitoring sites associated with Dog Bone Ridge.

The Miner’s Theme Park: MINExpo 2021


We walked around for hours in amazement like little kids that just got let loose in a toy store without adult supervision.

National Mining Hall of Fame Names 2021 Inductees


Gary J. Goldberg became President and CEO of Newmont Mining Corp. in 2013. He turned the company’s overall performance around through a disciplined focus on safety, technical fundamentals, and value over volume.

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Lithium Fuels Hopes Around Salton Sea


The lake is at the southern tip of the San Andreas Fault, which has shifting tectonic plates that bring molten material closer to Earth’s surface. The only other part of the US known to have more geothermal brine available is on the fault’s other end in Northern California.

Commercial Placer Mining: Alaska Style


There are currently about 170 commercial-scale placer operations in Alaska. Most of these are small operations with just a few people working; they are often family affairs that operate seasonally only during favorable weather.

Colorado Miner Sues EPA Over 2015 Spill


Hennis claims that months later and without his permission, the EPA built a $2.3 million water treatment facility on the property and the agency continues treating water and storing waste there.

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Why So Much Gold in Nevada?


Nevada produces about 75% of all the gold mined in the US. This means that all the other 49 states combined only produce 25%, and this includes California, Alaska and Arizona.

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.

Utah Tellurium Mine Creates New US Supply of Key Mineral


“The ability to have 20 tons produced here in America helps our country mitigate those supply concerns.”

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Charles P. Watson, Chief Geologist

What Is Your Grade?


After paying for the mine fleet, mill capital, supplies, fuel, power and labor, at today’s metal prices, does this mine make a profit?

Northern Dynasty To Appeal Alaska Permit Rejection


The proposed mine would be built on state-owned land in the Bristol Bay region, near the world’s largest wild sockeye salmon fishery.

Resolution Copper Project To Be Reviewed By Year-End


If approved, the project would use block caving to extract the remaining ore, most of which is 7,000 feet below ground level.

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Exploration Rush at Tonopah, Nevada


A few months later, a young, greenhorn lawyer agreed to pay to have it assayed, and the quartz turned out to be rich in both gold and silver.

Hard Rock 101: Advanced Micro Blasting


They… create negligible fumes and much less fly rock than blasting. Below are some tips on maximizing your effectiveness with these tools.

Now Is The Time For Exploration


I’ve been following the precious metals for decades, and I haven’t seen a move this powerful in many years.

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The Mysterious Telluride Minerals


…let’s dive in and take a closer look at these rich gold and silver-bearing minerals to find out what they are, where they form, and how to identify them.

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.

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