Upgrades, to be completed in early 2021, include three new energy efficient buildings and a centralized control room.

The final chapter on the world's most ambitious – and costly – mining project has closed.

The heavy-metal object, called “16 Psyche”, is worth $10,000 quadrillion. That's 70,000 times the world's economy.

Newcrest's gold production fell to 503,089 ounces in the three months ended Sept. 30.

It is supplementing its A$1-per-share bid with an off-market offer of equal value in an effort to defeat Shandong Gold.

A report commissioned by the Minerals Council of Australia states this growth stands on the same drivers that allowed seaborne thermal coal volumes to double between 2006 and 2019.