then who built the shafts, roads, utilities and got all the permits. these things aren't cheap and you need to attribute labour as a huge portion of cost too as this isn't the congo and you can bet your ass that that they easily sunk 30 million into the project prior.
its not just the nuts and bolts, its the surveyors, engineers, drafts people, regulators, fees, admin, and all the dudes that drive stuff around....... i think you are underestimating the cost of the mining game and what a sweet deal these lads got.