In April, U.S. Sen. Tina Smith introduced a bill to protect the Boundary Waters wilderness, building on years of advocacy by U.S. Rep. Betty McCollum and support from Backcountry Hunters and Anglers, ...

Copper-containing rock hosts only a small percentage of copper. Most of the rock is unwanted material, typically referred to as gangue. Depending on to what minerals the copper is bound, the rock is ...

VANCOUVER, British Columbia, March 27, 2023 (GLOBE NEWSWIRE) -- Monument Mining Limited (TSX-V: MMY and FSE: D7Q1) ("Monument" or the "Company") is pleased to update the progress at the Selinsing ...

During the last week of September, I was hunting ruffed grouse in northern Minnesota not far from the Superior National Forest and the Boundary Waters Canoe Area Wilderness, where I’ve paddled, camped ...

Toronto, Ontario--(Newsfile Corp. - February 10, 2026) - pH7 Technologies is proud to participate in PDAC 2026 for the third consecutive year, showcasing its breakthrough technology for heap leaching ...

An analysis of sulfide ore deposits from one of the world's richest base-metal mines confirms that oxygen levels were extremely low on Earth 2.7 billion years ago, but also shows that microbes were ...

Mineral exploration is taking place throughout this most critical and legendary area of northeast Minnesota — the headwaters of the Rainy River watershed and the headwaters of Lake Superior, separated ...

Nickel sulfide processing has long attracted significant attention due to its critical role in metallurgical industries and advanced battery production. The complex composition of polymetallic ...

TORONTO, Nov. 4, 2013 /CNW/ - Alacer Gold Corp. ("Alacer" or the "Corporation") [TSX: ASR and ASX: AQG] is pleased to announce its intention to pursue whole ore pressure oxidation ("POX") as the ...

Scientists probe Canadian sulfide ore to confirm microbial activity in seawater 2.7 billion years ago An analysis of sulfide ore deposits from one of the world’s richest base-metal mines confirms that ...