Stockhead on MSN

OzAurum’s shallow gold hits firm up Mulgabbie North open-pit design

OzAurum’s grade control drilling has provided shallow, high-grade gold hits at the Mulgabbie North project - suitable for ...
WTEN

Another gold rush could bring open pit mines to South Dakota’s Black Hills

SIOUX FALLS, S.D. (AP) — A gold rush brought settlers to South Dakota’s Black Hills roughly 150 years ago, chasing the dream of wealth and displacing Native Americans in the process. Now, a new crop ...
The Salt Lake Tribune

Utah’s massive open-pit copper mine wants to expand. Here’s a look inside.

From a viewpoint at about 6,190 feet above sea level, a giant hole in the Oquirrh Mountains stretches two and a half miles wide and ¾ of a mile deep. Trucks with tires bigger than a sedan look like ...
AZoMining on MSN

New zoning strategy boosts efficiency and safety in open-pit coal mining

Researchers propose a new zoning strategy for open-pit coal mining, enhancing safety and efficiency while minimizing ...