Q125
What does the term "ore dilution" refer to?
A.
Blending of ores from different grades
B.
Entry of waste material during mining
AnswerC.
Leaching of ore by water
D.
Ore loss during processing
Answer: Option B
Solution
Answer: Option B
Solution:
Ore dilution is when waste rock is mixed with ore during extraction.The correct answer is: Entry of waste material during miningThis lowers the grade and increases processing cost.Minimizing dilution is key to profitability.