TERMIUM Plus®

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

PSEUDONODULE [1 record]

Record 1 1999-01-25

English

Subject field(s)
  • Geology
DEF

A primary sedimentary structure consisting of a ball-like mass of sandstone enclosed in shale or mudstone, characterized by a rounded base with upturned or inrolled edges, and resulting from the settling of sand into underlying clay or mud which welled up between isolated sand masses.

French

Domaine(s)
  • Géologie
CONT

Les structures en miche [...] correspondent à des pseudo-nodules à forme d'ellipsoïde, aplatis, possédant une stratification qui, parallèle aux contours extérieurs, dessine parfois un pli ellipsoïdal aux alentours d'un goulot médian et supérieur. [...] ces structures se créent aux dépens d'un sédiment sableux lorsque celui-ci s'enfonce sous l'effet du tassement, dans un substratum plus riche en vases.

Key term(s)
  • pseudonodule

Spanish

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