Analysts predict Turquoise Hill investors will seek a higher offer than the current C$34/share bid, perhaps greater than C$50/share.

Operations at the massive copper mine have been suspended since Feb. 28 after protestors cut water access and blocked a key railroad.

A report by Gemfields rings the alarm bell on the lack of reliability of data related to the international supply and trade of coloured gemstones.

Kimberlites are messengers from the lowest regions of the earth's mantle.

Two of the three flamingo species that breed in the lithium-rich Atacama salt flat have lost 10 to 12% of their populations in just 11 years.

The 2-billion-tonne iron ore deposit has sat undeveloped in Guinea's southeast for 25 years.

It said is on track to ramp up to full production at the gold mine, located in the country’s northern Atacama region, by mid-year.