cut-off grade

June 2016
Break-even is broken
Why the use of the break-even cut-off grade is flawed, and how it poses a fundamental problem for the mining industry Sometimes what we are taught is not right anymore (if it ever was) The lead author’s father was taught at school that the ‘nucleus of an atom was the smallest indivisible piece of matter’. It was then an undisputable truth. We now know of course about quarks, muons and neutrinos. In this article, we invite the reader to reconsider what they were taught on how break-even Read More