The massive Oyu Tolgoi copper-gold operation in Mongolia. Credit: Rio Tinto.

Rio Tinto deepens presence 
in Mongolia

A week after the Mongolian government hit Turquoise Hill Resources (NYSE: TRO) with a US$155-million tax bill associated with the Oyu Tolgoi copper-gold mine, Rio…

Japan Gold chairman and CEO John Proust (left) and senior exploration geologist Glenn Christian Alburo in the field in Japan. Credit: Japan Gold.

Japan Gold drills Ikutahara in Hokkaido

Japan Gold (TSXV: JG; US-OTC: JGLDF) has become the first foreign company to be granted prospecting rights and a drilling permit by Japan’s Ministry of…

Miners overlooking the plant at the Jwaneng mine in Botswana. Credit: Debswana

Diamond market slows after strong recovery

A strong recovery followed an industry-wide diamond inventory buildup in 2014-2015 and another slide after India’s demonetization in late 2016. However, lately, the diamond industry’s…