The company pursuing a controversial open pit gold and antimony mine in the remote heart of central Idaho secured a key ...

A common type of coal extraction, called open-cast or open-pit mining ... The thing is, this gaping mine is left uncovered, ...

Gold growth story Catalyst Metals has locked in government approval for the open-pit portion of its planned Trident mine in ...

A California startup has developed the specialized resin beads needed to extract lithium from brine with ion exchange and ...

As the provincial government finalizes details of new rules for coal mining in Alberta’s mountains and foothills, one company is asking officials to pick a definition of open pit mining that won ...

This drilling is the first step in assessing the potential of a near-term open pit operation that would provide an incremental approach to move towards a larger operation to mine the existing open ...

Artemis Gold (TSXV: ARTG) shares skyrocketed to an all-time high Friday after the company said it had begun commercial production at its Blackwater open pit mine in central British Columbia ...

Cyprium Metals Ltd (ASX:CYM, OTC:CYPMF) is making steady progress towards the restart of its brownfield Nifty Copper Project in Western Australia as a long-life large-scale open pit mine, targeting ...

Ongoing extraction inside the Continental Pit operated by Montana Resources — an open pit mine in Butte, Mont. The company is working with researchers at the nearby closed Berkeley Pit ...