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BLUESCHIST [1 record]

Record 1 2010-06-09

English

Subject field(s)
  • Petrography
DEF

Metamorphic rock that has undergone regional metamorphism at low temperatures and high pressures.

CONT

Blueschists contain abundant blue glaucophane, which is a blue amphibole. Blueschists are usually associated with destructive plate boundary environments.

OBS

blueschist: term used at Natural Resources Canada - Earth Sciences Sector.

Key term(s)
  • blue schist
  • blue-schist

French

Domaine(s)
  • Pétrographie
CONT

Les [...] schistes bleus comportent, outre les mêmes minéraux [que les schistes verts], des amphiboles alcalines, glaucophane ou crossite.

CONT

District Alleghany (Californie). Ce district [...] appartient à la ceinture occidentale métamorphique de la Sierra Nevada, dans les faciès schistes verts et en partie dans les schistes bleus.

OBS

schiste bleu : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

Spanish

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