TERMIUM Plus®

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

FAULT BEND FOLD [1 record]

Record 1 2009-05-22

English

Subject field(s)
  • Tectonics
CONT

Fault bend folds form when layers move from flat to ramp or vice versa. Because layers must conform to changing fault geometry, a fold forms.

OBS

A fault-bend fold geometry can be superposed on the fold if the anticline is displaced over a ramp. These folds differ from the popular fault-propagation fold models in that folding is above a flat, non-propagating fault, fold-growth is by limb-rotation about a fixed hinge, and deformation in the footwall generally is reflected by a footwall syncline.

OBS

Ramps can cause oblique motion and folds to develop: fault-ramp fold/fault-bend fold - usually anticlines since ramps are steeper than main fault surface.

OBS

ramp fold: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Tectonique
CONT

Les plis sur rampe («fault-bend folds») se forment lorsque une surface de décollement passe du palier à la rampe au palier. Le toit (partie supérieure) va chevaucher le mur (partie inférieure) donnant une répétition dans les séquences stratigraphiques.

CONT

Les couches du flanc oriental de l'anticlinal du Revard se raccordent à celles du plateau de la Féclaz par une nette flexure synforme ouverte vers l'est. Il est vraisemblable que c'est un «pli de rampe» induit par la naissance, à son aplomb inférieur, du chevauchement de Saint-Offenge.

OBS

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

Spanish

Save record 1

Copyright notice for the TERMIUM Plus® data bank

© Public Works and Government Services Canada, 2020
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
A product of the Translation Bureau

Features

Language Portal of Canada

Access a collection of Canadian resources on all aspects of English and French, including quizzes.

Writing tools

The Language Portal’s writing tools have a new look! Easy to consult, they give you access to a wealth of information that will help you write better in English and French.

Glossaries and vocabularies

Access Translation Bureau glossaries and vocabularies.

Date Modified: