TERMIUM Plus®

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Consult the Government of Canada’s terminology data bank.

CRUSHED ZONE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2010-12-23

English

Subject field(s)
  • Tectonics
DEF

A tabular zone of rock that has been crushed and brecciated by many parallel fractures due to shear strain.

CONT

A prominent element of this deformation is the east-north-east-trending South Range shear zone that transects the southern part of the Sudbury basin.

OBS

Such an area is often mineralized by ore-forming solution.

OBS

shear zone: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Tectonique
CONT

Une entité importante résultant de cette déformation est la zone de cisaillement de South Range, de direction est-nord-est, qui recoupe la partie sud du bassin de Sudbury.

OBS

zone de cisaillement : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

Campo(s) temático(s)
  • Tectónica
Save record 1

Record 2 2005-08-17

English

Subject field(s)
  • Equipment (Oil and Natural Gas Extraction)
DEF

The device loaded into a perforating gun to penetrate into casing and cement and some distance into the formation when the gun is fired.

OBS

bullet perforating : An early perforating method that used a hardened steel bullet or projectile, propelled by an explosive charge, to create a perforation tunnel. This method creates a low-permeability crushed zone and leaves the bullet and associated debris jammed at the end of the tunnel. Jet perforating is now the preferred method.

French

Domaine(s)
  • Outillage (Extraction du pétrole et du gaz)
DEF

Projectile dont on charge les perforateurs à balles destinés à passer à travers le tubage, le ciment et à pénétrer assez loin dans la formation.

Spanish

Save record 2

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