TERMIUM Plus®

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CROSS BEDDING [3 records]

Record 1 2024-07-26

English

Subject field(s)
  • Geology
CONT

Wavy bedding occurs when mud is deposited over the whole area of a bed of rippled and/or cross stratified sand. It usually loosely follows the alternating concave-convex nature of the ripples[, ] creating a wavy appearance. In wavy bedding[, ] the ripples are laterally discontinuous.

French

Domaine(s)
  • Géologie

Spanish

Save record 1

Record 2 2008-08-08

English

Subject field(s)
  • Hydrology and Hydrography
  • Erosion and Weathering (Geol.)
CONT

The deposits in these estuaries present a wide variety of structures. Cross bedding channel sands, ripple lamination, reactivation surfaces, herringbone, flaser, wavy, and lenticular bedding... often entail criteria to diagnose... the dynamics of sedimentary transport.

OBS

reactivation surface: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Hydrologie et hydrographie
  • Érosion et corrosion (Géologie)
CONT

Les surfaces de réactivation sont produites par l'action du courant subordonné suite à l'érosion de la partie avale de la mégaride, qui s'est formée lors du courant dominant.

CONT

On observe souvent une surface de réactivation qui entame les lamines obliques antérieures (cette surface est produite au moment où le courant change de direction) [...]

OBS

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

Spanish

Save record 2

Record 3 2005-07-12

English

Subject field(s)
  • Radioactive Ores (Mining)
OBS

roll orebody : A uranium and/or vanadium orebody in a sandstone lens or layer, which cuts across bedding in sharply curving forms, commonly C-shaped or S-shaped in cross section. Two types can be distinguished : the Colorado Plateau type, named in 1956, and the Wyoming type, named in 1962.

OBS

The "roll-front-type deposit" refers to the Wyoming type of uranium deposit.

Key term(s)
  • roll deposit

French

Domaine(s)
  • Minerais radioactifs (Mines métalliques)
CONT

Gisement uranifère de type roll.

Spanish

Save record 3

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