Rio Tinto Kennecott, the world's largest open-pit mine, is now open for visits for the 2025 season. Operating since 1903, ...

As the White House calls to increase domestic mining, CNBC's Pippa Stevens goes inside one key copper mine in the U.S.

The Morenci Mine is the largest copper mine in the US and one of the biggest in the world. As of 2007, operations ran around ...

This proved to be the largest pre-production stripping project ... known at the time single overland belt conveyor used in open pit mining in the United States. Anaconda produced the first copper ...

High in the Andean mountains a mining joint venture hit the jackpot with the largest greenfield discovery in 30 years at the Filo del Sol copper deposit.

Autonomous electric mining trucks are seen deployed at the Yimin open-pit mine operated by China Huaneng Group Co., Ltd. in ...

HOHHOT -- A fleet of 100 autonomous electric mining trucks has been put into operation at an open-pit mine in North China's ...

Panama will allow a controversial mine that was closed after months of protests to export more than 120,000 tons of already ...

It’s one of the country’s biggest environmental problems ... the Anaconda Copper Company closed the open-pit mine, turned off the pumps and let water fill it. The water is so acidic from ...