TERMIUM Plus®

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

ECTINITE [1 record]

Record 1 2005-07-04

English

Subject field(s)
  • Petrography
DEF

Rock formed as a result of essentially isochemical regional metamorphism, i.e. with no notable associated metasomatism ...

French

Domaine(s)
  • Pétrographie
CONT

S'il y a eu apport important de matière, on a une migmatite; sinon, le gneiss est une ectinite.

OBS

Le mot gneiss étant trop particulier pour représenter un ensemble, nous adopterons le terme ectinites [...] proposé par Jung et Roques (1936) pour désigner les roches métamorphiques recristallisées sans apport et nous envisagerons les séquences suivantes : para-ectinites (origine sédimentaire) [...];ortho-ectinites (origine éruptive) [...]

Spanish

Campo(s) temático(s)
  • Petrografía
DEF

Roca metamórfica formada por la recombinación de la materia de otra roca preexistente, sin aporte exterior de otras materias.

CONT

Las ectinitas pueden formarse, por ejemplo, en un terreno esquistoso por efecto de la temperatura y de las acciones mecánicas.

CONT

Si la cristalización se ha efectuado sin adición de minerales secundarios, la roca metamórfica es una ectinita.

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