The current debate surrounding coal is generally one of how long it will continue to play a role in the world's energy mix before it is replaced by cleaner alternatives, but the coming years may see a deficit in seaborne markets for the polluting fuel.

The mining company said gold production rose to 11,576 kg in the three months to September 30 while group operating profit was $216.8 million.

Alliance Mining Commodities will invest $670 million over the first five years of production at its mine in northwestern Guinea, Saadou Nimaga.

The miner said its all-in sustaining costs to produce an ounce of gold rose $18 to $943 due to higher exploration and project expenses.

Fortescue Metals Group reported slight rise in fiscal first-quarter iron ore shipments, also warned its ore was selling at a greater discount than expected.

Australian politicians told China of government approvals for controversial A$16.5-billion ($13-billion) coal mine project being built by Adani Enterprises.

Teck expects larger proportion of coal sales in fourth quarter to be non-premium, reducing average realized price to about 85 percent of benchmark prices.

Goldcorp reported 88 percent rise in quarterly profit, helped by increase in company's income tax recovery and higher earnings from its Peñasquito mine.

Gold producer says its total gold output from mines fell to 522,917 oz in the quarter ended Sept. 30 from 615,498 oz in the same period a year earlier.

Despite the quarterly increase in net cash costs Antofagasta said the 2017 costs would be below the $1.30 per pound previously forecast.

"I think that the third-quarter results will confirm that the full-year EBITDA will be higher than last year," says KGHM CEO Radoslaw Domagalski-Labedzki

Shareholders argue Barrick decision to hand Tanzania 50 percent of "economic benefits" from Acacia's mines may set baseline for future host nations' demands.