This is not your usual quarry operation, but this method of retrieving scrap steel and iron from steel mill sites is common around the world as the price and demand for steel continues to soar.
With the challenges to its ownership behind it, Ngai Tahu now has to decide what it is going to do with its massive greenstone resources.
Paul Tidmarsh has spent his working life trying to make himself redundant. Fortunately for the world’s rock crushing industry, he hasn’t succeeded.
As water becomes more valuable as a resource, equipment engineer Mimico has timed it right with a new water treatment solution for quarries and mines and other heavy water user sites.
Greenstone quandary
Rocking the world from Matamata [the Barmac years]