Question 2: (30 Marks) "Mine to Mill, which links aspects of mining and mineral processing in order to optimise the combined mining and processing stages, has been under development and use for the last 20 years. Implemented effectively, numerous operations have experienced productivity gains from Mine to Mill in the range of 1020%." In terms of Mine to Mill, in your own words define/elaborate on the following: - Mine to Mill (8) - Orebody characterisation (6) - Mining characterisation (8) - Economic optimisation (4) - Tracking the ore through the production chain (4)