Back in 2005 a group of Yale academics published a forecast that peak copper had been reached and there would not be enough metal in the years ahead.
In 2006 (a year later!) new copper discoveries hit their highest count in the period 1990-2017.
In 2008 copper was poleaxed by the GFC.
By 2010 stockbrokers were confident that copper prices would keep on soaring after bursting through the US$10,000/t mark; one predicted $11,000/t as a realistic target.
In 2013 copper stockpiles were mounting around the world and the red metal's price was falling as surpluses were seen lying just over the horizon.
In 2014 money had begun flowing back into copper exploration companies. While metal prices still struggled, everyone seemed excited by China's refined c...