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Alphabetical list of terms

Record 1 2011-09-08

English

Subject field(s)
  • Petrography
  • Tectonics
  • Mineralogy
DEF

A deformation band in a single crystal or in foliated rocks in which the orientation is changed due to slipping on several parallel slip planes.

CONT

The shock features include shatter cones, and planar dislocations and kink bands in certain rock-forming minerals ...

OBS

Kink bands are associated with shock-wave action as well as with normal deformation.

OBS

Kink bands commonly occur as conjugate sets.

OBS

kink band: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Pétrographie
  • Tectonique
  • Minéralogie
DEF

Zone de déformation mégascopique à partir de laquelle est créée la flexuration d'un cristal à clivages marqués (mica, kyanite, calcite, etc.) ou d'un ensemble lithologique finement lité.

CONT

[...] les «kink-bands» [sont des] plis aux charnières anguleuses obtuses, en familles parallèles (le plus souvent les plans axiaux ont un écartement décimétrique tandis que l'ampleur du pli est centimétrique) [...]

CONT

[Les] structures de choc comprennent des fractures coniques ainsi que des plans de dislocation et des kinkbands dans certains minéraux essentiels des roches ignées [...]

OBS

kink-band : Littéralement «bandes en genou» ces «bandes de froissure» correspondent à l'association de deux flexures très anguleuses, le long d'une bande relativement étroite (par rapport à sa longueur), qui traverse obliquement un empilement de feuillets [...]. Elles font penser [...] aux froissures anguleuses qui affectent les feuilles d'un cahier maltraité.

OBS

bande froissée; bande de kink : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre

Spanish

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