Les roches (à vue) Flashcards by Laurie_ Land | Brainscape

Q

A

Marbre blanc

Métamorphique

Non follié

Variable

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Q

A

Grenat

Minéral

Rouge rubis

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Q

Métamorphique

A

Schiste à hornblende

Métamorphique

Follier

Moyen

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Q

A

Schiste à grenat

métamorphique

Follier

Moyen

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Q

A

Shale argileux

Sédimentaire

Composer d’argile

Origine détritique

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Q

A

Rhyolite

Ignée

PH acide

Origine extrusive

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Q

A

Microcline

Minéral

Macle effiloché

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Q

A

Gabbro

Ignée

PH basique

Intrusive

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Q

A

Grès

Sédimentaire

Littage

Origine détritique

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Q

A

Quartzite

Métamorphique

Non follier

Variable

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Q

A

Pyrite

Minéral

Clivage cubique

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Q

A

Hornblende

Minéral

Vert foncé / noir

Dense

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Q

A

Gneiss granitique

Métamorphique

Follier

Fort

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Q

A

Gneiss

Métamorphique

Follier

Fort

Beaucoup plus d’éclat / brillant que le Gabbro

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Q

A

Tourbe

Sédimentaire

Très friable

Origine biologique

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Q

Ignée

A

Basalte

Ignée

Basique

Extrusive

Q

A

Coquina

Sédimentaire

Coquillages

Origine biologique

Q

A

Micas

Minéral

Clivage en feuillet

Q

A

Quartz

Minéral

Très dur

Q

A

Calcite

Minéral

Réagi au acide

+ translucide et brillant que le marbre

Q

A

Plagioclase

Minéral

Strie parallèle

PH acide

Q

A

Phyllade

Métamorphique

Follier

Faible

Q

A

Quartize rose

Métamorphique

Non follier

Variable

Q

A

Andésite

Ignée

Morceau de hornblende

Extrusive

Q

A

Microconglomérat à quartz

Sédimentaire

Quartz-sable-gravier

Origine détritique

Q

A

Diorite

Ignée

mi-hornblende mi-plagioclase

Origine intrusive

Q

A

Calcaire

Sédimentaire

Réagi aux acide

Origine chimique

Q

A

Lave

Ignée

Faible densité

Origine extrusive

Q

A

Granite

Ignée

Quartz-microcline-plagioclase

Intrusive

Q

A

Conglomérat poudingue

Sédimentaire

Gravier arrondis

Origine détritique

Q

A

Calcaire fossilifère

Sédimentaire

Fossiles

Réagi au acide

Origine Biologique