Rio Tinto has completed the sale of its remaining Australian coal-mining operations in Queensland for $3.95 billion.

Mount Gibson Iron has entered the final stage of the restart program at the Koolan Island iron ore project in the Kimberley, Western Australia.

Rio Tinto has posted its half-year financial results for 2018, revealing a significant capex increase of 34 per cent and cost hike of $530 million.

AuStar has produced its first gold concentrate from the Rose of Denmark (RoD) underground mine in Victoria.

Resource Generation subsidiary Ledjadja Coal has awarded Sedgman $US310 million ($418 million) of mineral processing contracts.

Western Australia-based Paladin Energy has entered into a takeover bid with uranium company Summit Resources.

Rio Tinto has approved $US146 million ($196 million) in preliminary funding for its first intelligent mine, the Koodaideri iron ore project in the Pilbara region, Western Australia.

New Century Resources is on the verge of restarting the Century zinc mine in Queensland after making strong progress in July.

Caterpillar has manufactured and delivered its 50,000th articulated truck. It is the third truck milestone for Caterpillar this year, following the 5000th 793 mining truck and the 1000th 797 mining truck.

Mineral Resources has produced 15.29 million wet tonnes (Mwt) of lithium and iron ore and shipped 13.21Mwt in the 2018 financial year.

Australian gold producer St Barbara has extended its air charter services contract to Alliance Aviation Services by a further three years.

Cardinal Resources has received a $25 million in funds from investment firm Sprott for the Namdini gold project in Ghana, West Africa.

Joint venture partners Tawana Resources and Alliance Mineral Assets have achieved commercial production at the Bald Hill lithium mine in the Eastern Goldfields, Western Australia.

Gruyere joint venture partners, Gold Fields and Gold Road Resources, have increased their forecasted capital cost for the development to $621 million.

Transport and logistics provider, Centurion, has been selected by Anglo American as preferred tenderer for the provision of general transport services for its Bowen Basin operations.

Regis Resources has awarded MACA a contract extension for open pit mining services at the Duketon South gold operations near Laverton, Western Australia.

Nickel-focused producer Western Areas has entered a farm-in and joint venture (JV) with Iluka Resources over the Western Gawler exploration area in South Australia.

The Super Pit rock falls have caused joint owner Newmont Mining to reduce its Australian gold production guidance to between 1.4 and 1.6 million ounces in 2018.

BHP has turned the first sod at the South Flank iron project in the Pilbara, Western Australia.

Lithium producer Core Exploration has signed a $US35 million ($47.3 million) prepayment and concentrate offtake agreement with Meidu Energy subsidiary, Shandong RuiFu Lithium.