Other questions in this quiz

2. If it is costly to mine and extract a metal then the cut-off grade will be lower

  • False
  • True

3. What is the concentration factor?

  • The amount by which the metal is concentrated to make an ore deposit
  • The ratio of gangue minerals to ore minerals
  • The amount of the resource that can be extracted at a profit using existing technology

4. The higher the demand for the metal, the more valuable and lower its cut-off grade will be

  • True
  • False

5. In order to form an ore deposit, the metal must be concentrated ---- its average crustal abundance

  • at the set
  • above
  • equal to
  • below


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