MX Flashcards by Alexandre Croteau-Charest | Brainscape

Q

Syénite

A

Felspath Alcalin

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Q

Basalte

A

+ Anortite (Ca) que Albite (Na)

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Q

péridotite

A

Riche en Olivine

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Q

Olivine

A

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Q

Trachy-andésite

A

Plus alcalin
+ d’Albite que d’Anorthite

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Q

Dacite

A

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Q

Granite

A

Plagio, Quartz, Feldspath
+ de Quartz

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Q

Picrite

A

Olivine, 12 et 18% de Mg, Basalte riche en Ol

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Q

Boninite

A

Thoéliite riche en Ol + que 8% MgO,
TiO2 <0.5

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Q

Komatiite

A

TRÈS MgO > 18%

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Q

Anorthosite

A

> 90% An (Pole calcique)

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Q

Wehrlite

A

Ol et CPx (diopside)

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Q

Phonolite

A

Riche en Néphéline

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Q

Rhyolite

A

Riche en Quartz

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