Minnesota Mining News

Trump administration opens up Minnesota wilderness area to copper mining

The U.S. Interior Department on Wednesday renewed two mineral leases near the Boundary Waters Wilderness area in Minnesota.

Pro-development Minnesotans sue Governor over cancelled mine leases

A group of Minnesota residents is suing the state and the Governor over a December decision to revoke mineral leases.

First copper-nickel mine in Minnesota inches forward

The company behind Minnesota's first copper-nickel mine is putting its shoulder to the wheel of a project that has been over a decade in the making.

Huge Minnesota copper-nickel mine clears environmental hurdle

PolyMet says the NorthMet Project will annually produce 72 million pounds of copper, 15.4 million pounds of nickel, 720,000 pounds of cobalt and 106,000 troy ounces of precious metals.

Minnesota dumps potash into lake to kill zebra mussels

Zebra mussels reproduce quickly and can disrupt the food chain, clog water pipes and create algae.

Imperial Metals to face ancient "protectors" in court

The Indian group opposing Imperial Metals Corp.'s Red Chris mine, known as the Klabona Keepers, says that nobody properly consulted its members about the project, a "grave and serious" violation of aboriginal rights.

Mines minister trying to regain Alaska’s confidence in B.C.

British Columbia's Energy Minister Bill Bennett wants to show Alaskans why the province’s resource sector is not a threat to the state's environment and salmon fishery.

Mexican copper mine 'too slow' to report spill

Grupo Mexico has denied reports claiming it did not immediately report a massive acid spill from its Buenavista mine in the country's north.

Mexico copper mine spill pollutes water supplies 40 km from U.S. border

While Canada and the U.S. look at Mount Polley disaster's aftermath, another big spill has contaminated rivers a bit further south.

Mining tycoon, Calgary Flames co-owner, also Imperial Metals’ largest shareholder

N. Murray Edwards has a 36% stake in Imperial Metals, owner of Mount Polley mine.

Alaskans uneasy over another Imperial Metals mine nearing end of construction

The Red Chris copper and gold project, in northwest B.C., is located near the Iskut River, a major tributary of the Stikine River, which ends in southeast Alaska.

Canada’s Mount Polley disaster sparks concern over US mines

Firm that designed, engineered, and oversaw the construction of the Mount Polley tailings dam, Knight Piesold, is said to be involved in copper mine proposals in Minnesota.

Duluth confirms massive potential of Twin Metals copper/nickel/pgm/gold resource

A new independent technical report from AMEC confirms the vast tonnages and economic grades in the Duluth Metals/Antofagasta Twin Metals base and precious metals project in Minnesota.