What is faunal succession used for?

Giving relative ages to rock formations using fossils.

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  1. Giving relative ages to rock formations using fossils ✔
  2. Measuring mineral hardness
  3. Polishing fossils

Why: Fossils in sedimentary rocks help give relative ages to the formations where they appear.

Huh, didn't know that: Fossils in sedimentary rocks help give relative ages to the formations where they appear.

The dad joke
Fossils help rocks tell their age.
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References

Answer: Giving relative ages to rock formations using fossils. Fossils in sedimentary rocks help give relative ages to the formations where they appear.

  1. Geology en.wikipedia.org/wiki/Geology
    their presence or (sometimes) absence provides a relative age of the formations where they appear
    Checked 2026-11-07.

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