Operating since 1903, Rio Tinto’s Kennecott Mine near Salt Lake City remains one of the most productive mines in the world, where workers pulled 134,000 metric tons of copper from the earth last year, along with significant amounts of gold, silver and ...

Using muon tomography, Ideon remotely mapped the full cave back at New Afton Mine to 25 m or less spatial resolution at a depth of approximately 800 m, using no additional drilling to image 830 million m3 of earth. High-resolution subsurface intelligence ...

Carrapateena is an underground copper, gold and silver mine. The mine uses sublevel caving extraction methods, with conventional crushing, grinding and flotation producing copper concentrate. BHP is investing in processing plant capacity to allow for an ...

The Red Chris copper-gold mine may expand by going underground. Credit: Imperial Metals. Imperial Metals (TSX: III) is raising gross proceeds of up to C$16.8 million ($12.5m) via a private placement to fund the development of its 30% owned Red Chris mine.