TERMIUM Plus®

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PLASTICALLY SCULPTED DETAIL FORMS [1 record]

Record 1 2022-05-02

English

Subject field(s)
  • Geomorphology and Geomorphogeny
DEF

Smooth rounded form of various types cut into bedrock by the combined erosive power of ice, meltwater and subglacial sediment under high pressure.

CONT

Three main hypotheses have been proposed to explain the genesis of p-forms and include; formation under debris rich basal ice ..., formation by subglacial meltwater erosion ..., and through abrasion by saturated till ... Given uncertainties regarding the origin of p-forms, several authors have suggested that the term p-form too strongly infers an origin by plastically deforming ice or till, and have introduced the term sculpted form or s-form ... in its place. However, the term s-form has itself come to infer a meltwater origin for these features ...

OBS

p-form: term used at Natural Resources Canada - Earth Sciences Sector.

OBS

p-form; plastically moulded form; plastically molded form; plastically sculpted detail form: designations usually used in the plural.

Key term(s)
  • p-forms
  • plastically moulded forms
  • plastically molded forms
  • plastically sculpted detail forms

French

Domaine(s)
  • Géomorphologie et géomorphogénie
OBS

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

OBS

forme de cavitation : désignation habituellement utilisée au pluriel.

Key term(s)
  • formes de cavitation

Spanish

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