Buried soils, or paleosols, are ancient soil horizons that have been preserved beneath layers of sediment or volcanic deposits. These soils provide valuable information about past climates, vegetation, and environmental conditions, serving as important markers in stratigraphy and the study of Earth’s history.
Reference: Retallack, G. J. (2001). Soils of the Past: An Introduction to Paleopedology. Wiley-Blackwell.