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The Government of Canada’s terminology and linguistic data bank.

columnar structure [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2009-11-17

English

Subject field(s)
  • Soil Science
  • Geology
DEF

A coarse structure of parallel columns of grains, having the long axis perpendicular to the surface.

CONT

Kerogen ... occurs as granules and as concordant seams associated with and incorporating heavy minerals. The seams commonly have columnar structure ...

OBS

These types [columnar and prismatic] are characterized by vertically oriented aggregates or pillars. These elongated columns vary in length with different soils and may reach a diameter of 6 inches or more. They commonly occur in the subsoil horizons of arid and semiarid region soils and when well developed are a very striking feature of the profile. When the tops are rounded, the term "columnar" is used.

French

Domaine(s)
  • Science du sol
  • Géologie
DEF

Structure prismatique à sommet arrondi.

OBS

La «structure columnaire» (ou colonnaire) est une variété de structure prismatique dans laquelle un des sommets des prismes, généralement le supérieur, est arrondi. Cette structure est fréquente dans les sols du type solonetz.

Spanish

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Record 2 1998-04-01

English

Subject field(s)
  • Metallurgy - General
DEF

A coarse structure of parallel elongated grains formed by unidirectional growth, most often observed in castings, but sometimes seen in structures resulting from diffusional growth accompanied by a solid-state transformation.

French

Domaine(s)
  • Métallurgie générale
DEF

Structure grossière de grains répartis en colonnes parallèles dont l'axe est perpendiculaire à la surface du lingot.

Spanish

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