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Características de la corteza terrestre.

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Natalia Bustamante

on 13 November 2014

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Transcript of Características de la corteza terrestre.

3. Atmósfera
Temperaturas desde 1.200°C a 2.800 °C. Formado por Silicatos de Fierro y Magnesio.
Menos temperatura, rocas fase sólida entre 6-40km.
-Corteza continental: 6-8km. Magnesio y Silicio.
-Corteza oceánica: 30-40km. Silicio y Aluminio.
Características de la corteza terrestre.
- Manto Superior o Astenósfera
: apoyo a las placas tectónicas
- Manto Inferior:
temperaturas y densidad provocan la actividad sísmica
2. Características Físicas
Alumna: Natalia Bustamante
1. Características Químicas
3.500 km de espesor.
- Núcleo externo: Campo Magnético Terrestre
- Nucleo interno: Hierro a 4.000°C

Dar a conocer características de la corteza terrestre.
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