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LHERZOLITE [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2006-11-15

English

Subject field(s)
  • Petrography
DEF

A variety of peridotite containing abundant olivine with orthopyroxene and clinopyroxene.

CONT

Lherzolite is a type of ultramafic igneous rock. It is a coarse grained rock consisting of 40 to 90% olivine along with significant orthopyroxene and lesser calcic chromium rich clinopyroxene. Minor minerals include chromium and aluminium spinels and garnets.

OBS

[Etymology:] The name is derived from the Lherz Massif, an alpine peridotite complex (also known as orogenic lherzolite complex), (the type locality) at Etang de Lers in the French Pyrenees ...

OBS

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

French

Domaine(s)
  • Pétrographie
DEF

Roche magmatique grenue de type péridotite contenant des pyroxènes monocliniques et orthorhombiques avec olivine, hypersthène ou bronzite, diopside chromifère et spinelle.

CONT

La lherzolite est un type de roche plutonique, grenue, qui correspond à la péridotite originelle du manteau supérieur. C'est une roche au grains grossiers se composant de 40 à 90 % d'olivine avec du chrome riche en orthopyroxène et faible en [...] clinopyroxène.

OBS

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

Spanish

Save record 1

Record 2 2006-11-15

English

Subject field(s)
  • Petrography
CONT

The lherzolite-bearing flows have relatively low Mg numbers and are the result of low degrees of partial melting followed by fractional crystallization in the upper mantle.

OBS

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

French

Domaine(s)
  • Pétrographie
CONT

[...] l'on retrouve de par le monde, en gros, deux types d'ophiolites : Les ophiolites à section crustale épaisse, continue (gabbros épais) et à harzburgite (olivine + Orthopyroxène) [...]. À l'opposé [...], les ophiolites à section crustale réduite (épaisseur réduite des gabbros) discontinue et à lherzolite (olivine + orthopyroxène + clinopyroxène) [...]

OBS

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

Spanish

Save record 2

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