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Large Scale Mining

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.

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Extraction of Precious Metals Using Froth Flotation


Without this versatile group of technologies, we would be hard-pressed to produce the metals so critical to our modern way of life. The robust mining industry of today would literally not exist.

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.

Hecla Fights Bad Actor Label in Montana


Environmental groups last year urged Montana regulators to impose the bad actor designation, and now are seeking to intervene in the case.

Critical Metals: Zinc


In this article, part of an ongoing series taking a look at critical metals in our economy, we will examine the mining and use of the metal zinc.

EPA Reopens Comments on Pebble Project


The settlement did not grant an immediate approval for the project, but it did begin to clear the way for the company to apply for federal permits—a path the Obama administration previously had thwarted.

The Basics of Crushing and Milling Operations


In processing gold, silver and other valuable ores, the minerals containing the values, such as metallic gold, silver-bearing sulfides or other minerals, must be freed from the surrounding host rock before those valuable minerals can be captured.

New Silver and Zinc Mine Slated for Montana


Arizona-based International Silver Inc. is proposing an underground silver and zinc mine in Montana and has asked Butte-Silver Bow County to lease them the surface and mineral rights to hundreds of acres.

Subscription Required:
The Bawl Mill   • The Wild Rush To Find More Cobalt—Part II   • Trash! A Hindrance Or Hot Spot For Hidden Gold?   • Rare Silver Nuggets And Their Origins   • Legislative and Regulatory Update   • PLP and MMAC Update   • New Rules For Taxing Pass-Through Income   • Sulfides and Intergrain Gold Wire Nuggets   • Man Who Died In Yellowstone In 2017 Was Looking For Hidden Treasure   • $50 Million in Gold From 1857 Shipwreck Approved for Sale   • Melman on Gold & Silver   • Mining Stock Quotes and Mineral & Metal Prices

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PLP To Address Needs Of Small Miners With Proposed Amendment

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