Tephra

Alternative definitions (1), class: vernacular (0)

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Term: Tephra
Definition: Ash and coarse fragments thrown out by a volcano during an eruption. In glacierised areas these layers are preserved in glaciers, deforming slowly during ice flow.
GCW Swisseduc
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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