Structura interna a Pamantului-Manta Flashcards

1
Q

km manta

A

2900- baza scoartei terestre

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2
Q

din ce e formata mantaua exterioara

A

Mg, Si , Fe care o fac densa

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3
Q

ce temp are mantaua externa

A

temp de aprox 1000 grade, care rezulta curentii din astenosfera, curentii de convectie

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4
Q

ce fac curentii de convectie

A

curentii de convectie stau la baza fracturarii scoartei terestre

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5
Q

ce e astenosfera

A

partea superioara din manta

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6
Q

cum se form litosfera

A

atenosfera si scoarta terestra formeaza geosfera numita litosfera

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7
Q

cum se realizeaza trecerea de la manta la scoarta

A

trecerea de la manta la scoarta de realizeaza prin discontinuitatea mohorovici

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