Glencore buys stakes in Norsk Hydro and Vale’s assets in Brazil

It's taking a 30% stake in alumina refinery Alunorte and a 5% interest in bauxite producer Mineracao Rio do Norte, both in Para, Brazil.

Cecilia Jamasmie | April 27, 2023 | 4:55 am

High-quality concrete produced with coal fly ash

Scientists at Rice University are employing flash Joule heating to remove toxic heavy metals from fly ash and use the resulting product to manufacture concrete.

Staff Writer | March 31, 2023 | 5:20 am

Rio Tinto halves dividend on 41% annual profit drop

Rio's bottom line was hit by weaker iron ore prices as demand from China slowed, as well as higher labour and material costs.

Cecilia Jamasmie | February 22, 2023 | 3:33 am

Top 50 mining companies in 2022: coal, lithium win big, China investors lose out

Commodity prices are always volatile, but in 2022 metal and mining markets reached new levels of turbulence, as the pandemic played out in China and the Ukraine war upended global energy.

Frik Els | January 9, 2023 | 11:16 am

Indonesia confirms bauxite export ban to proceed as scheduled

The measure, which led to a dispute at the World Trade Organization, also helped boost the value of Indonesia's exports.

Reuters | December 21, 2022 | 7:56 am

China may extend state iron ore buying strategy to lithium

If successful in iron ore, the mandate of China's new centralised state buyer could be extended to lithium, copper and bauxite.

Frik Els | December 13, 2022 | 10:37 am

Most Australian mine workers dissatisfied with their jobs – report

A recent report led by researchers at Curtin University found that Australian mining companies have a stronger focus on employees’ physical health and safety than on their mental health and well-being.

Staff Writer | November 30, 2022 | 5:05 am