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5: an 2 .D ('5 2h (5 D. E E t 0 CL 0 I D. I}: IN) average value above cutoff 34 cutoff value

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5: an 2 .D ('5 2h (5 D. E E t 0 CL 0 I D. I}: IN) average value above cutoff 34 cutoff value 'grade/ tonnage\" curves for iron ore project The deposit represented by the given grade/tonnage curves contains a total of 57,000,000 long tons. How many long tons have a grade higher than 30%? What is the average grade of the deposit at a cutoff value of 30%

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