Large Scale Mining
EPA Recommends Against Reissuing Permit for PolyMet Mine
June 2022 by Associated Press
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.
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.
The Bucking Room
Since this position was the least desirable due to the hard physical labor, the bucking room was used as punishment. Do you have a mediocre worker? Bad attitude? Off to the bucking room!
How to Refine Silver—Pt I
Silver refining has been used from ancient times to change the characteristics of the metal. Early metallurgists refined silver by heating it a couple hundred degrees above its melting point and holding the metal at an elevated temperature for a period of time.
The Basics of Exploration Leases and Contracts—Part II
This is the point where you might ask, “What do these types of contracts typically look like and how are they negotiated?” Well, that is the topic of this month’s article.
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.
High Sulfidation Epithermal Deposits
They tend to be big, coming in large to extremely large sizes. They can also be amazingly rich and produce huge amounts of very high-grade ore.
Feds Deny Lease Renewals for Minnesota Mine
Two longstanding mineral rights leases that are critical for a proposed large underground copper-nickel mine upstream from the Boundary Waters Canoe Area Wilderness in northeastern Minnesota will not be renewed, two federal agencies announced…
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The Bawl Mill
• Why The Paper Change?
• Ask The Experts - When do I use detector discrimination?
• Ask The Experts - Is gold found in limestone?
• Ask The Experts - Can pyrite crystals be the same color as gold?
• How to Use BLM’s New Mineral and Land Records System
• A Short But Productive Hunt
• Blast from the Past: Jeff Casserly Tells His Own Story
• Old Dog(Fighter), New Trick
• Talking Metal Detectors with Brent Weaver of Garrett
• Strategies for Detecting Heavily Pounded Areas—Part III
• The Highs and Hazards of Desert Prospecting
• Just Feel The Heft of It
• Proposed Nebraska Mine Has Sizeable Deposit of Rare Elements
• Mining Stock Quotes and Mineral & Metal Prices
• Melman on Gold & Silver
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Introducing ICMJ’s New Owners: Josh and Sherrie Reinke
• Legislative and Regulatory Update
• PLP Update
