Till plain
Encyclopedia
A till plain is an extensive flat plain
of glacial till that forms when a sheet of ice
becomes detached from the main body of a glacier
and melts in place depositing the sediment
s it carried. A till plain with irregular topography is referred to as a ground moraine.
Plain
In geography, a plain is land with relatively low relief, that is flat or gently rolling. Prairies and steppes are types of plains, and the archetype for a plain is often thought of as a grassland, but plains in their natural state may also be covered in shrublands, woodland and forest, or...
of glacial till that forms when a sheet of ice
Ice
Ice is water frozen into the solid state. Usually ice is the phase known as ice Ih, which is the most abundant of the varying solid phases on the Earth's surface. It can appear transparent or opaque bluish-white color, depending on the presence of impurities or air inclusions...
becomes detached from the main body of a glacier
Glacier
A glacier is a large persistent body of ice that forms where the accumulation of snow exceeds its ablation over many years, often centuries. At least 0.1 km² in area and 50 m thick, but often much larger, a glacier slowly deforms and flows due to stresses induced by its weight...
and melts in place depositing the sediment
Sediment
Sediment is naturally occurring material that is broken down by processes of weathering and erosion, and is subsequently transported by the action of fluids such as wind, water, or ice, and/or by the force of gravity acting on the particle itself....
s it carried. A till plain with irregular topography is referred to as a ground moraine.
See also
- Glacial till plains (Ohio)Glacial till plains (Ohio)The Glacial till plains are a till plain landform in the Northwest of Ohio.This region is fertile and has gently rolling moraine hills created by the movement of glaciers. Glaciers created the Ohio River basin....
- See plainPlainIn geography, a plain is land with relatively low relief, that is flat or gently rolling. Prairies and steppes are types of plains, and the archetype for a plain is often thought of as a grassland, but plains in their natural state may also be covered in shrublands, woodland and forest, or...
article for other types of plains.