Rochas Magmáticas Flashcards

1
Q

Rochas plutónicas/ inttusivas

A

O arrefecimento é lento e em profundidade
Textura faneritica

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2
Q

Rochas vulcânicas/extrusivas

A

Arrefecimento rápido á superficie
Textura afanítica ou vitrea

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3
Q

Textura feneritica

A

Minerais vistos a vista desarmada
(Rochas plutonicas)

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4
Q

Textura afanitica

A

Com minerais de reduzidas dimensões ( rochas vulcânicas)

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5
Q

Textura vitrea

A

Formadas por materia amorfa( rochas vulcânicas)

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6
Q

A adiçao de volateis promove

A

A diminuição do ponto de fusao dos minerais

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7
Q

Diminuiçao da pressao promove

A

A diminuiçao do ponto de fusao dos minerais

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8
Q

O aumento da temperatura promove

A

A formação de magma

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9
Q

Tipos de magmas

A

-basaltico/básico
-andesítico/ intermédio
-riolítico/ ácido

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10
Q
A
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