Frost boil

Alternative definitions (4), class: vernacular (0)
Term: Frost boil
Definition: A small mound of soil material, presumed to have been formed by frost action. A type of nonsorted circle; they are commonly found in fine-grained sediments underlain by permafrost, but also occur in non-permafrost areas. Or mud boil
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary