TERMIUM Plus®

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EXTERNAL MOULD [1 record]

Record 1 1999-09-17

English

Subject field(s)
  • Paleontology
DEF

A mold or impression in the surrounding earth or rock, showing the surface form and markings of the outer hard parts of a fossil shell or other organic structure; also the surrounding rock material whose surface receive the external mold.

CONT

Following burial of the hard parts of an organism, sedimentary materials are packed closely around them.... The impression of skeletal remains in adjoining rock constitutes ... an external mould, if the shape of the outer side of the hard parts is shown ...

CONT

If a shell is buried unfilled and then dissolves, ... an external mould [is left] which if subsequently filled with material will yield ... an external cast.

French

Domaine(s)
  • Paléontologie
CONT

Un organisme peut laisser sa place en creux dans la gangue comme une sorte de négatif, alors que lui-même a disparu : c'est une empreinte, ou moule externe.

CONT

Coquille dissoute avec formation d'un moule externe.

OBS

La fossilisation par incrustation conserve la forme externe de l'organisme.

Spanish

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