Watch time-lapse videos of construction at new Arizona mine
Some speedy construction at the South32 Hermosa critical minerals mine near Patagonia.
Some speedy construction at the South32 Hermosa critical minerals mine near Patagonia.
Construction speeds along at the South32 Hermosa mine in the Patagonia Mountains southeast of Tucson, even with final U.S. approval of the project still months away.
A critical minerals mine under construction in the Patagonia Mountains could soon be allowed to expand onto Coronado National Forest land, under a draft decision from the U.S. Forest Service.
South32 received final federal approval to expand its Hermosa critical minerals mine near Patagonia onto Forest Service land, despite concerns about water and environmental impacts.
© Copyright 2026 Arizona Daily Star, PO Box 26887 Tucson, AZ 85726-6887
A Lee Enterprises, Incorporated newspaper. Majority shareholder: David Hoffmann, Hoffmann Media Group.
Get up-to-the-minute news sent straight to your device.