Glacial erratic

Alternative definitions (1), class: vernacular (0)
Term: Glacial erratic
Definition: A boulder swept from its place of origin by glacier advance or retreat and deposited elsewhere as the glacier melted; after glacial melt, the boulder might be stranded in a field or forest where no other rocks of its type or size exist.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary