To obtain the copper ore, Resolution would use a method known as block cave mining, in which tunnels are drilled beneath the ore body, and then collapsed, leaving the ore to be moved to a crushing ...

A federal judge has temporarily halted the federal government's plans to transfer land in eastern Arizona for a massive ...

The CEO of a Canadian mining company has outlined goals to expand drilling for metals like copper, gold and zinc at multiple sites in Wisconsin either this fall or early ...