Foliation

Foliation

The layering or banding that develops in a glacier during the process of transformation of snow to glacier ice. Individual layers, called folia, are visible because of differences in crystal or grain size, alternation of clear ice and bubbly ice, or because of entrained sediment.

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Part of Speech: noun
Synonym(s):
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Industry/Domain: Water bodies
Category: Glaciers
Government Agency: USGS
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Related terms

foliation

Earth science; Geology

A planar structure that develops in metamorphic rocks as a result of directed pressure.

foliation

Geography; Physical geography

Process where once randomly distributed platy minerals in a rock become reoriented, because of metamorphism, in a parallel manner.

foliation

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The metamorphic straightening of rock into parallel layers. Also: leaf formation.

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Water bodies; Glaciers

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foliation

Garden; Gardening

1. The process of forming into a leaf. 2. Ornamentation with, or resembling, foliage. 3. The separation of a material into separate layers.

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Mining; General mining; Mineral mining

Of foliation, a planar arrangement of textural or structural features in any type of rock; esp., the planar structure that results from flattening of the constituent grains of a ...

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 ...

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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 ...

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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.

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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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