| A | B |
|---|
| Accumulation area | Located at relatively higher elevations |
| Ablation area | Located at relatively lower elevations |
| Downwasting | Loss of ice due to melting |
| Terminus | The leading face of a glacier |
| Zone of plastic flow | Ice clostest to the bedrock |
| Zone of brittle flow | The upper 150 feet of glacial ice |
| Crevasses | Elongated cracks in the upper portion of the glacier |
| Moulins | Tubular chutes that drain surface meltwater |
| Ogives | Convex bands located at the base of an icefall |
| Cirques | Bowl shaped depressions carved out in the rock by glacial ice |
| Outwash plain | Alluvial plain at the edge of a retreating glacier |
