Landform evolution - Key Terms

Questão	Responda
Geomorphology	Landform evolution
In situ	In their original position.
Denudation	The removal of covering.
Lithify	Transform a sediment or other material into stone.
Inert	Stable
Permafrost	A layer of permanently frozen soil near the ground surface.
Active layer	The layer above the permafrost.
Chelating agents	Weak organic acids.
Talus	A slope formed by the accumulation of rock debris.
Scree	A collection of broken rock fragments at the foot of a mountain, volcano etc.
Blockfield	Is a surface covered by block sized angular rocks.
Felsenmeer	German for 'sea of rock'. Exposed rock surfaces, due to pieces broken off by freeze-thaw, mainly in Artic and high mountain areas.
Weathering pits	'Holes' on the surface of rocks.
Granular disintegration	Grains of rocks become loosened.
Slaking	The process by which earth materials disintegrate and crumble when exposed to moisture.
Diurnal	Any cycle that occurs daily.
Homogeneous composition	Made of just one mineral.
Bedding plane	Refers to a surface that separates layers of sedimentary rocks on the ground.
Mass movement	The movement of debris en masse under the direct influence of gravity.
Alluvial fan	Cone/fan shaped deposit crossed and built up by streams.
Slag heaps	Piles of waste rock from mining.
Planar	straight
Shear	Is the response of a rock to deformation.
Shear zone	A vital structural discontinuity in the Earth's crust and upper mantle.
Terracette	Type of landform, a ridge on the hillside. (step like ridges)
Regolith	Material e.g. particles, soil
solifluction/lobe	Rounded, tongue-like feature.
Afforestation	The planting of trees.
Pediment	Gentle, concave lower slope.
Scarp	steeper, upper slope.

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Landform evolution - Key Terms

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	Criado por Sharondeep mais de 10 anos atrás