← 3.2 Mining

Grade, quantity and depth: the first tests of a mine

Geography · Grade 10 · about 40 minutes

A deposit is worth working only if it is rich enough, large enough and shallow enough at current prices.

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  • 7 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
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