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7: Metamorfismo y rocas metamórficas

Última actualización

30 oct 2022
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- 6.6: Resumen
- 7.1: Controles sobre procesos metamórficos

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El metamorfismo es el cambio que se produce dentro de un cuerpo de roca como consecuencia de que éste esté sometido a condiciones distintas a aquellas en las que se formó. En la mayoría de los casos, pero no en todos, esto implica que la roca esté profundamente enterrada debajo de otras rocas, donde se somete a temperaturas y presiones más altas que aquellas bajo las que se formó. Las rocas metamórficas suelen tener diferentes ensamblajes minerales y diferentes texturas de sus rocas madre, pero pueden tener la misma composición general.

Miniatura: Foliación plegada en una roca metamórfica cerca de Geirangerfjord, Noruega. (CC-SA-BY 3.0; Siim);

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