| 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. NSIDCCryosphere
GCW |
| 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. |