BHP says copper output needs to double in 30 years

Rio's sale of The Australian Trilogy, an AUD$1.8 million one-of-a-kind coin collection featuring a pink, purple pink and violet diamond from the Argyle Diamond Mine, sold out in a month.

China's supply of steel scrap is surging as aged buildings, bridges and cars produced over decades of rapid economic growth are knocked down, dismantled or crushed.

Dam restrictions in China following excessive rains are also reducing hydropower capacity there, including at the world's biggest power station, forcing utilities to ramp up output at coal-fired utilities.

New report argues that a high-efficiency, low emissions coal-fired station would cost less than the almost A$3 billion in subsidies handed out by the government to renewable projects each year.

Australia's Northern Territory will soon be producing gold again thanks to Emmerson Resources (ASX:ERM), which is advancing the Edna Beryl gold mine along with Australian gold producer Evolution Mining (ASX:EVN).

It also said that a Brazilian court had granted it and its partner Vale a four-month extension to negotiate a settlement to a $47 billion claim stemming from the 2015 mine disaster.

Escondida, majority owned and operated by BHP, produced 97,103 tonnes of copper between January and March, down from 265,597 tonnes a year earlier.

Physical markets, not just futures speculation behind the latest rally

Doug Hoerr, Caterpillar's vice president of the material handling & underground division, is retiring in August after more than 20 years with the company.