La formazione delle montagne: le Alpi

Abbiamo studiato che le montagne possono essere di origine diversa e che quasi tutte le catene montuose europee si formarono per dei movimenti della crosta terrestre (la parte superficiale della superficie della Terra).

Le Alpi in particolare si formarono per via della collisione di due placche (la africana e la europea), evento che determinò la chiusura di un oceano: l'oceano detto della Tetide. 
Guarda il video e scrivi alcuni degli elementi che ci testimoniano come l'attuale zona alpina si trovava, in passato, nel fondo di un mare. Incredibile vero!! 

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