Turquoise - the blue and green gemstone - is often seen as emblematic of the West. A couple of listeners have asked about turquoise mines in Colorado. KRCC’s Shanna Lewis spoke with Clint Cross of ...

Turquoise Hill Resources' (NYSE:TRQ) new mine design for Hugo North at Oyu Tolgoi reduces the mineral reserve estimate due to the inclusion of two structural pillars. The new feasibility study ...

Turquoise Hill Resources Ltd said on Wednesday it was starting arbitration proceedings to clarify provisions of some arrangements with Rio Tinto,, related to additional funding for the Canadian ...

TORONTO, July 31 (Reuters) - Rio Tinto-controlled Turquoise Hill Resources said an impairment charge at the cash-generating unit of its Oyu Tolgoi copper mine in Mongolia led to the company missing ...

Turquoise Hill Resources Ltd said on Tuesday the Oyu Tolgoi mine in Mongolia had partially resumed shipments to China, after the Canadian miner declared force majeure on some Chinese contracts last ...

(Reuters) - Canada's Turquoise Hill said on Thursday it has received temporary relief in the arbitration proceedings against Rio Tinto, related to the proposed funding of the Oyu Tolgoi mine. As a ...

One of the most prominent and historical mining operations in Mohave County is the Mineral Park Mine. Rugged topography marks the area averaging between 4,000 and 5,000 feet and renowned for its ...

Rio Tinto Group’s $2.7 billion offer to buy out Turquoise Hill Resources Ltd. has been rejected, blocking its efforts to gain greater control of a giant copper mine it’s developing in Mongolia. Rio’s ...

Turquoise Hill Resources (NYSE:TRQ) says it is reviewing funding options for its Oyu Tolgoi copper and gold project in Mongolia, including a gold streaming deal, a gold pre-sale transaction and a ...

Turquoise Hill Resources said on Tuesday the Oyu Tolgoi mine in Mongolia had partially resumed shipments to China, after the Canadian miner declared force majeure on some Chinese contracts last month ...