Prairies Snapshot: Eight companies with interesting properties to watch

Three of the world's top mining companies are now trading over 90% below their boom year highs as the 2016 commodity sell-off gathers pace.

The world’s largest miner announced Friday a roughly $7.2 billion pretax charge against its U.S. onshore energy assets

The state of New Mexico also plans to sue the owners of two Colorado mines that were the source of the massive spill.

Northern Dynasty Minerals, parent company of the Pebble mine proponent, disappointed at the narrow scope and limited findings of government probe.

Environment and Energy Minister, Panos Skourletis, said the company must recall its decision to halt work at most of its sites before any dialogue between the two sides can begin.

Chief executive Sam Walsh told employees he expected 2016 to be "an even tougher year" than the last.

The US dollar has been on a tear. And for miners in certain jurisdictions, this has helped operators immensely, especially when coupled with lower fuel prices, which typically accounts for 15-20% of overhead.

Aaron Regent "is competing against a small number of Chilean-focused operators" for Glencore's Atacama copper mine according to reports.

Company is said to have sent out requests to investment banks as it seeks to hire an adviser to assist in the bidding process for Anglo American's niobium and phosphate business in Brazil.