Tephrochronology

Definition

Tephrochronology is a geochronological technique that uses discrete layers of tephra—volcanic ash from specific volcanic eruptions—to create a chronological framework in which paleoenvironmental or archaeological records can be placed.

Related terms

Stratigraphy:

The study of rock layers and their formation.

Volcanology: The scientific study of volcanoes and volcanic phenomena.

Sedimentation Rate: The speed at which sediment accumulates over time.