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1.36: Rocas Metamórficas

Última actualización

30 oct 2022
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- 1.35: Sedimentos y Rocas Sedimentarias
- 1.37: El Ciclo de las Rocas

Miracosta Oceanography 101
Miracosta)

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Rocas Metamórficas

• Las rocas metamórficas se forman “cambiando” rocas ígneas, sedimentarias u otras rocas metamórficas preexistentes.
* Los procesos metamórficos implican cambios causados por la exposición al calor, la presión y los fluidos químicamente activos.
• Las fuerzas impulsoras aumentan el calor y la presión a medida que las rocas se entierran profundamente en la tierra en asociación con períodos de construcción de montañas.
• Normalmente desarrollan una tela o textura que la diferencia de la roca original de la que se formó (llamada protolito).
• Se encuentra comúnmente en antiguas rocas corticales expuestas en cadenas montañosas y en el núcleo de masas continentales.

Ejemplos: cuarcita, pizarra, mármol, gneis, esquisto y serpentinita (la Roca del Estado de California)

Figura 1.96. Rocas metamórficas comunes

Rocas Metamórficas

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