I agree. If one has to establish an average then mining companies face a complex three dimensional problems. Multiple holes will have to be drilled, and the cores from each drill will have to be sampled for uranium in many places down its length.
To simplify the 3D problem, what if five holes yield uranium values of 500 ppm, and another fifteen holes yield 20 ppm. The average is therefore 140 ppm, which is over the proposed limit of 100 ppm.
If I was a company, having spent a small fortune on drilling, I would drill some more holes in the low value areas, in order to reduce the average to below 100 ppm.
I use this example to show that setting an average of 100 ppm is an armchair proposal, unless a bureaucrat writes complex proposals to prevent my example happening.
Yet the writing of such new proposals will make mining in Greenland an even more unattractive lottery.
Another question that a miner would consider is what happens if the exploratory average is below 100 ppm, but there are of lodes of uranium discovered during mining, between the drill holes. These lodes have values of 2,000 ppm. Would mining have to stop?
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