TERMIUM Plus®

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

PONT NATUREL [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2021-07-14

English

Subject field(s)
  • Geomorphology and Geomorphogeny
  • Erosion and Weathering (Geol.)
DEF

A natural rock exposure that has been converted into a bridge spanning an erosional valley ...

OBS

Herein lies the major difference between the two look-alike forms — natural arches and natural bridges. Geologists insist on two designations because they are formed by different processes. Water does most of the work in creating both landforms. However, a natural bridge spans a valley of erosion and is therefore produced by running water. A natural arch is formed by "holing through" of thin walls or fins mostly by weathering processes - processes that operate more rapidly in the presence of water.

French

Domaine(s)
  • Géomorphologie et géomorphogénie
  • Érosion et corrosion (Géologie)
DEF

Formation géologique qui enjambe une vallée taillée par l'érosion.

Spanish

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