Lateral moraine

Lateral moraine

A sediment ridge, located on a glacier's surface adjacent to the valley walls, extending down glacier to the terminus. It forms by the accumulation of rock material falling onto the glacier from the valley wall, rather than by water deposition.

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Water bodies
Category: Glaciers
Government Agency: USGS
Product:
Acronym-Abbreviation:

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Related terms

lateral moraine

Geography; Physical geography

Deposits of load carried at the edges of the glacier.

lateral moraine

Earth science; Mapping science

A low, ridge-like moraine carried on or deposited at or near the side of a glacier.

lateral moraine

Water bodies; Glaciers

A sediment ridge, located on a glacier's surface adjacent to the valley walls, extending down glacier to the terminus. It forms by the accumulation of rock material falling onto ...

lateral moraine

Earth science; Geology

Moraine formed by valley glaciers along valley sides.

moraine

Weather; Meteorology

Ridges or deposits of rock debris transported by a glacier. Moraines are left after a glacier has receded, providing evidence of its former extent. Common forms are ground ...

moraine

Anthropology; Cultural anthropology

A glacial deposit (till) with a distinctive topographic expression. "terminal moraines" mark episodes of stability or re-advance in a period of overall glacial retreat. Moraines ...

ice-marginal lake

Water bodies; Glaciers

A lake that is located adjacent to the terminus of a glacier. Typically, these lakes form in bedrock basins scoured by the glacier. They enlarge as the glacier retreats. Sometimes ...

glacier

Water bodies; Glaciers

A large persistent body of ice. Originating on land, a glacier flows slowly due to stresses induced by its weight. A glacier forms in a location where the accumulation of snow ...

glacier mill

Water bodies; Glaciers

A narrow, tubular chute or crevasse through which water enters a glacier from the surface. Occasionally, the lower end of a moulin may be exposed in the face of a glacier or at ...

bergy seltzer

Water bodies; Glaciers

A crackling or sizzling similar to that made by soft drinks or seltzer water but louder. The sound made as air bubbles formed at many atmospheres of pressure are released during ...

glacial furrow

Water bodies; Glaciers

A linear depression, inches to miles in length, produced by the removal of rock or sediment by the erosive action of a glacier.

retreat

Water bodies; Glaciers

A decrease in the length of a glacier compared to a previous point in time. As ice in a glacier is always moving forward, its terminus retreats when more ice is lost at the ...

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