World’s 50 biggest miners had a combined market capitalization of just under $1.4 trillion, with losses at the very top offsetting a banner quarter for gold and copper stocks.

Ranger, a key producer of uranium oxide for 40 years, closed in 2021 with an initial goal of having the site rehabilitated by 2026.

The company will now focus on ramping up operations at its 75%-owned Langer Heinrich uranium mine as demand for the material picks up.

Researchers say uranium mining near the Grand Canyon's springs and groundwater sources requires better monitoring.