Biden officials make last-ditch push for Greenland mining investment
Greenland contains large deposits of most of the minerals considered critical by the US Geological Survey.
MINEARC’S safety refuge chamber was put to the test last week at BHP Billiton’s Perseverance nickel mine after a rock fall trapped a worker for 16 hours – with the company saying the incident highlights the value of refuge chambers. Kate Haycock reports…more at International Longwall News
