Aha Trivia Stuff Everyone Should Know
Aha Trivia: Stuff Everyone Should Know · ahatrivia.com/mb-mining-ef781694aad0

What is fire-setting in old mining?

Heating rock then quenching it.

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  1. Heating rock then quenching it ✔
  2. Setting fires for warmth
  3. Burning waste wood

Why: Fire-setting heated rock then quenched it with water, cracking it by thermal shock.

Huh, didn't know that: Fire-setting heated rock then quenched it with water, cracking it by thermal shock.

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References

Answer: Heating rock then quenching it. Fire-setting heated rock then quenched it with water, cracking it by thermal shock.

  1. Mining en.wikipedia.org/wiki/Mining
    The resulting thermal shock cracked the rock
    Checked 2026-11-07.

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