Turquoise Hill seeks interim order against Rio over Mongolia mine funding

Coking coal prices gained 86% to $283.10 a tonne this week, the biggest gain in four years.

The amount is linked to what is known as “transfer pricing” between Rio Tinto’s Australian operations and its Singapore office.

While the company had other projects in the country, the Bayan Khundii gold project went from greenfield prospect to being its main asset in roughly nine months.

Tungsten, tin, tantalum and gold are now also being illegally extracted and traded at sites under the control of armed groups in countries including Myanmar and Colombia.

In case you haven’t already noticed, inflation has been steadily creeping up since July. In February, the most recent month of available data, consumer prices advanced at their fastest pace in five years, hitting 2.7 percent year-over-year.

The Japanese firm has completed its $3.7bn takeover of the Milwaukee-based equipment maker.

The miner said it won't meet its coal export commitments due to the damage caused by cyclone Debbie, which struck Australia’s north-east coast last week.

Together these giant orebodies contain reserves worth $796 billion at today's gold price.

The Stellar Daisy, which set out from the a port in Brazil to China, last made contact on Friday. 22 out of the 24 crew members are still unaccounted for.