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CRESCENTIC MARK [8 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-04-12

English

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

A crescentic mark in the form of a groove or channel with somewhat rounded bottom, formed by glacial plucking on a bedrock surface.

OBS

[This mark] is concave toward the direction from which the ice moved and it consists of two fractures from between which the rock has been removed

French

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

Empreinte en forme de croissant à concavité orientée vers l'amont et résultant du burinage saccadé d'un glacier sur le substrat rocheux.

Spanish

Save record 1

Record 2 2012-03-02

English

Subject field(s)
  • Geology
DEF

A bounce mark whose downcurrent end has a small crescentic ridge of mud pushed up by and in front of the impinging object.

French

Domaine(s)
  • Géologie
DEF

Trace de rebondissement avec dépression en croissant à l'aval.

Spanish

Save record 2

Record 3 2012-03-02

English

Subject field(s)
  • Geology
DEF

A ripple mark which is crescentic in plan.

French

Domaine(s)
  • Géologie
DEF

Ride de plage dont la crête, vue de haut, a la forme d'un croissant.

Spanish

Save record 3

Record 4 1999-10-04

English

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

Any curved or lunate mark produced by a glacier moving over a bedrock surface.

French

Domaine(s)
  • Glaciologie
  • Érosion et corrosion (Géologie)
CONT

[...] le glacier peut arracher (mais non faire sauter) des fragments de la roche, en laissant des cicatrices sur la surface mais en préservant la forme en croissant des fractures; on obtient ainsi des cicatrices en forme de croissant [...]

Spanish

Save record 4

Record 5 1998-09-04

English

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

A crescent-shaped scour mark ...

French

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

Spanish

Save record 5

Record 6 1991-04-11

English

Subject field(s)
  • Geomorphology and Geomorphogeny
DEF

A crescentic mark indicating the former position of a river meander on a flood plain.

French

Domaine(s)
  • Géomorphologie et géomorphogénie
DEF

Marque en croissant représentant l'ancienne position d'un méandre de rivière dans une plaine d'inondation.

Spanish

Save record 6

Record 7 1991-04-11

English

Subject field(s)
  • Geology
DEF

A crescentic mark in the form of a hyperbolic crack, of larger size... than a chattermark; it is convex toward the direction from which the ice moved [...] and consists in a single fracture without removal of any rock.

French

Domaine(s)
  • Géologie
CONT

La pression d'un bloc morainique entraîné à la base du glacier se manifeste sur le socle rocheux par l'apparition d'une première cassure, à concavité tournée vers l'aval, ensuite d'une seconde, et ainsi de suite, jusqu'au relâchement de l'impact cadencé. Ainsi naît le train de fracture de broutage [...]

Spanish

Save record 7

Record 8 1988-09-21

English

Subject field(s)
  • Geology
  • Geomorphology and Geomorphogeny
DEF

A short crescentic mark that is transverse to the direction of ice movement and that includes a distinct fracture that dips forward into the bedrock, indicating the direction of ice movement

French

Domaine(s)
  • Géologie
  • Géomorphologie et géomorphogénie
CONT

Lorsque les débris enchâssés dans la couche inférieure du glacier, au lieu de se déplacer d'un mouvement régulier, «broutent» sur la surface de la roche en place, ils peuvent produire une série de petites fissures curvilignes et étroitement espacées que l'on appelle fissures de friction.

Spanish

Save record 8

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