paleosol
/ˈpeɪliəˌsɔl/
noun
- An ancient soil layer that was buried and preserved in the geological record, often used to study past climates and environments.
- By analyzing the paleosol, researchers discovered evidence of an ancient drought.
- The scientists studied a paleosol to learn what the climate was like millions of years ago.
- This paleosol contains fossils of roots that show the area was once a forest.