TERMIUM Plus®

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CRISTAL STRUCTURE [1 record]

Record 1 2009-10-08

English

Subject field(s)
  • Petrography
  • Mineralogy
DEF

The thinnest recognizable layer in a sediment or sediment rock, differing from other layers in color, composition, or particle size.

CONT

Mica has a tendancy to split along planes determined by cristal structure, yielding a great number of thin, tough, plastic laminae.

OBS

A shale is the most perfectly laminated type of rock.

OBS

The plural of lamina is laminae.

Key term(s)
  • laminae

French

Domaine(s)
  • Pétrographie
  • Minéralogie
DEF

Plaque mince (d'une roche).

CONT

Les feuillets brillants de mica tendent à se placer de telle sorte que leurs faces planes se trouvent disposées perpendiculairement à la direction de pression; il en résulte que le clivage des ardoises suit la nouvelle direction donnée par les feuillets de mica [...

PHR

Lame de schiste, de mica.

PHR

Feuillet d'ardoise, de roche.

Spanish

Campo(s) temático(s)
  • Petrografía
  • Mineralogía
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