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STRATICULE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2009-10-06

English

Subject field(s)
  • Geology
DEF

A layer of sediment or sedimentary rock only a small fraction of an inch (less than a centimeter) in thickness.

CONT

Shear veins in shear zones are typically laminated ... Laminations are defined by thin septa and slivers of altered and foliated wall rocks ... In several deposits, individual quartz-carbonate laminae are also bounded by striated slip surfaces ...

OBS

A stratum that is less than one centimetre in thickness is termed a lamina, whereas one greater than this is termed a bed.

OBS

Several laminae may constitute a bed.

OBS

lamina; lamination: terms used at Natural Resources Canada - Earth Sciences Sector.

Key term(s)
  • laminae

French

Domaine(s)
  • Géologie
DEF

Couche très mince de matériaux sédimentaires, d'une épaisseur inférieure à 1 cm.

CONT

Les couches d'une formation peuvent être très minces. Ces unités mineures sont alors appelées des lits ou laminae ou encore straticules ou laminations.

CONT

Les filons de cisaillement dans les zones de cisaillement sont typiquement laminés [...] Les lamines sont définies par de minces cloisons et copeaux des roches encaissantes altérées et foliées [...] Dans plusieurs gîtes, des lamines individuelles de quartz-carbonates sont aussi limitées par des surfaces de glissement striées [...]

OBS

D'après l'Encyclopédie internationale des sciences et des techniques (source AUTEC 1973, vol. 10, p. 164), le pluriel de «lamina» est «laminae» (pluriel latin) et d'après A. Foucault et J.-F. Raoult, Dictionnaire de géologie (source FOUGE, 1984, p. 178), la forme plurielle est francisée en «laminas».

OBS

lamine; lamination; straticule : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Key term(s)
  • laminae

Spanish

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