TERMIUM Plus®

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

ANGULAR FOLD [3 records]

Record 1 2011-02-09

English

Subject field(s)
  • Tectonics
DEF

A fold with planar limbs and sharp angular hinge.

OBS

chevron fold; zigzag fold; accordion fold; concertina fold; angular fold : terms used at Natural Resources Canada-Earth Sciences Sector.

French

Domaine(s)
  • Tectonique
DEF

Pli aux charnières anguleuses aiguës, en familles également parallèles.

OBS

pli en chevron(s); pli anguleux : termes en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Save record 1

Record 2 1977-06-29

English

Subject field(s)
  • Paleontology
OBS

[Brachiopods of the] superfamily spiriferacea [have a] shell form [that is] variable but generally rather transverse with either angular or narrowly rounded cardinal extremities and [a] hinge line equal to or slightly less than [the] maximum width; lateral slopes [are] invariably costate or plicate; [a] fold and sulcus [is] generally present, tending to be bald in earlier forms, costate or plicate in later ones; [the] pedicle valve interior [is] with or without dental plates, commonly without [a] median septum; [the] brachial valve interior [has a] striate cardinal process, [and is] with or without crural plates; [the] shell substance [is] generally impunctate. "L. Sil.-U. Perm. ".

French

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes de la] super-famille des spiriferacea [ont des] crura en continuation directe avec les lamelles primaires qui sont entre les spires brachiales.

Spanish

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Record 3 1977-06-29

English

Subject field(s)
  • Paleontology
OBS

[Brachiopods of the] family spiriferidae [are] biconvex; slightly to markedly transverse; [the] cardinal extremities [are] rounded in some, making [the] hinge line somewhat less than [the] maximum width, more typically angular, with [a] hinge line equal to [the] maximum width, [the] hinge [is] commonly denticulate; lateral plications [are] few to numerous, rarely simple, more commonly bifurcating, in some becoming fasciculate; [the] fold and sulcus [are] commonly distinct, plicate; [the] pedicle valve interior generally [has] dental plates. [lack a] median septum; [the] delthyrial plate [is] weakly developed or lacking; [the] brachial valve interior rarely [has] crural plates; [the] shell substance [is] impunctate. "L. Carb.-Perm. ".

French

Domaine(s)
  • Paléontologie
OBS

[Les Brachiopodes de la] famille des spiriferidae [ont des] spiralia à tours nombreux, dirigées latéralement; [un] jugum simple, complet ou non.

Spanish

Save record 3

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