Mining Features

USS Minntac gets state expansion permits



 MOUNTAIN IRON, Minn. — United States Steel Corp. has now received the state permits it needs to expand its Minntac mine at Mountain Iron but is waiting on one remaining federal permit. U.S. Steel plans to expand the taconite mine by 483 … Please register for a free account or log in below to access this content. Username Password Remember […]

Iron Range well represented at Heart of the Continent meeting



Participants in a recent Heart of the Continent Partnership workshop in Duluth are shown here. Attendees learned about a new collaboration with National Geographic to promote geotourism in the region of northeastern Minnesota and southern Ontario. S… Please register for a free account or log in below to access this content.

EYES WIDE SHUT

Wastewater treatment produces one of the same pollutants as mining, but with no state regulations


Editor’s Note: This article, written three months ago, explores some of the complications that have arisen in the implementation of the current sulfate standard for wild rice waters in Minnesota. While the conversation has focused mainly on mi… Please register for a free account or log in below to access this content.

IT’S NOT JUST ABOUT MINING

The Wild Rice Sulfate Standard: Enormous implications for entire state


 Minnesota has had a rule on the books since 1973, submitted under the then-new federal Clean Water Act, which limits the amount of sulfate in waters used for the production of wild rice. That was when the state adopted the recommendation of Jo… Please register for a free account or log in below to access this content.

ADVANCED MN

OFFERS LEAN SIX SIGMA GREEN BELT TRAINING TO BUSINESS AND INDUSTRY

Grant Opportunities Currently Available for Manufacturing Advanced Minnesota (Advanced) has announced that it now offers Lean Six Sigma Green Belt Certification training. This certification is led by a certified Six Sigma Black Belt and is offered … Please register for a free account or log in below to access this content.

BEDROCK CORE DRILLING:

Mineral Exploration in Minnesota

 Diamond Core Drilling Process Steps in the Process 1. Drill holes begin with installing a pipecalled casing from the surface through soilsand sealed into bedrock.2. Diamond core drilling uses a diamond bit,which rotates at the end of drill rod… Please register for a free account or log in below to access this content.

Did you know?

IRON ORE FACTS

 About 98% of iron ore is used to make steel – one of the greatest inventions and most useful materials ever created. Major producers of iron ore include Australia, Brazil, China, Russia, India and the U.S.. It is estimated that worldwide there… Please register for a free account or log in below to access this content.

Mining Process 101

PolyMet project primer

 Using advanced technology and modern mining methods, the PolyMet project near Hoyt Lakes in NE MN will produce copper, nickel and other important metals and meet environmental standards that protect our region’s air and water quality. He… Please register for a free account or log in below to access this content.

MINING FACTOIDS



 Every American uses an average of 40,000 pounds of new minerals each year. Mining has touched less than onequarter of one percent of all the land in the U.S. About 320,000 people work directly in mining throughout the United States and employm… Please register for a free account or log in below to access this content.

Study finds no substitutes for important metals



The National Mining Association recently highlighted a study from Yale University’s School of Forestry and Environmental Studies that analyzed potential substitutes for 62 different metals and their major uses. The study concluded that there w… Please register for a free account or log in below to access this content.


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