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Ground Moraine (Geoform Type)

Component: Geoform

Unique Identifier: 125

Geoform Origin Geologic
Geoform Moraine
Geoform Type Ground Moraine

Definition An extensive, low-relief area of till, that has an uneven or undulating surface and is commonly bounded on the distal end by a recessional or end moraine. Ground moraines usually consist of poorly sorted rock and mineral debris (till), which has been dragged along, in, on, or beneath a glacier, and then deposited by basal lodgment and release from downwasting stagnant ice by ablation.