Rockfall- Weathered debris falls under gravity from the exposed rock above the ice down onto the edge of the glacier
Avanlanches- These often contain rock debris within the snow and ice that moves under gravity
Debris Flows- In areas of high precipitation and snow or ice can combine with scree, soil and mud
Aeolian Deposits- Fine material carried and deposited by wind, often blowing across outwash deposits
Volcanic Eruptions- A source of ash and dust
Plucking- Large rocks plucked from the side and base of valleys
Abrasion- Smaller material worn away from valley floors and sides (like sandpaper)
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