Argillic horizon

Argillic horizon

A mineral soil horizon that is characterised by the illuvial accumulation of phyllosilicate clays. The argillic horizon has a certain minimum thickness depending on the thickness of the solum, a minimum quantity of clay in comparison with an overlying eluvial horizon depending on the clay content of the eluvial horizon, and usually has coatings of oriented clay on the surface of pores or peds or bridging sand grains.

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Part of Speech: noun
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Industry/Domain: Earth science
Category: Soil science
Company: Soil Science Society of America
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Related terms

argillic horizon

Earth science; Soil science

A mineral soil horizon that is characterized by the illuvial accumulation of phyllosilicate clays. The argillic horizon has a certain minimum thickness depending on the thickness ...

argillic horizon

Earth science; Geology

A clay-rich layer of soil. Clay often forms in overlying soil layers from the decomposition of feldspars and other minerals. The extremely fine clay particles are gradually ...

argillic horizon

Agriculture; Rice science

A soil horizon enriched by clay that has moved downward (USDA, 1975).

argillic horizon

Earth science; Geology

A clay-rich layer of soil. Clay often forms in overlying soil layers from the decomposition of feldspars and other minerals. The extremely fine clay particles are gradually ...

argillic horizon

Agriculture; Rice science

A soil horizon enriched by clay that has moved downward (USDA, 1975).

argillic horizon

Agriculture; Rice science

A soil horizon enriched by clay that has moved downward (USDA, 1975).

swamp

Earth science; Soil science

Swamp is an area which is flooded or drenched with water and related to plunge or cause to sink.

semiarid

Earth science; Soil science

Fairly dry because of low rainfall. Semiarid regions, such as a prairie, usually have enough water for grasses and some bushes to grow.

talus

Earth science; Soil science

A sloping pile of small pieces of rock that is at the base of a cliff is called talus.

silt

Earth science; Soil science

Small grains or particles of broken down rock. Silt particles are smaller than grains of sand but larger than the particles in clay.

talc

Earth science; Soil science

A very soft, white or green mineral found in igneous and metamorphic rocks is called talc.

stone

Earth science; Soil science

A general term for rock, especially as used in construction. A hard clump of minerals that forms in a part of body.

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