CNBC's Pippa Stevens joins 'Squawk on the Street' with an inside look at one of the largest copper mines in the U.S.

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

The board has discussed rare earths in light of recent market conditions and continues to weigh the impact of tariffs.

The USGS estimates that a one-year suspension of Chinese gallium exports would translate into a $3.1bln hit to the U.S.

Fortune Minerals Limited ("Fortune" or the "Company") ( is pleased to report that metallurgical test work validation is essentially complete for the bismuth circuits for the Company's 100% owned ...

As his company grew, Apostol brought in Hundegger machines from Germany, becoming the owner of Hundegger USA, whose computer-automated machines made it easier to cut and drill each timber to the ...

Daybreak was established in 2004 on approximately 4,100 acres of land initially owned by a division of Kennecott Utah Copper (now a subsidiary of the international mining firm Rio Tinto).

Rio Tinto has also transitioned from conventional to renewable diesel for all heavy mining equipment at its Kennecott Bingham Canyon copper mine in Utah – the world’s deepest open pit mine.

The Rio Tinto feed is produced from waste streams at the Kennecott Smelter in Utah enhancing ... NICO and the Company’s nearby Sue-Dianne copper deposit are IOCG-type mineral deposits with ...