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Expansión del fondo oceánico

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Este documento es una infografía en la que se explica porqué sucede esta expansión, quién descubrió esto, etc...

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Uploaded on
March 13, 2022
Number of pages
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Written in
2021/2022
Type
Interview
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Expansión del
fondo oceánico
Hipótesis de Hess


¿Quién es Hess?
Harry Hess era un profesor de geología y oficial naval.
Comandó un buque transporte de ataque durante la Segunda
Guerra Mundial. Pensó en todas las características inusuales del
fondo marino. Y encontró el mecanismo que explicaba todo.




¿En qué consiste la hipótesis
de Hess?
La hipótesis de Hess consistía en describir o
explicar como el magma caliente sube por la fosa
tectónica a las dorsales centro oceánicas. La lava
se enfría y forma nuevo fondo marino. Luego más
lava erupciona en la dorsal.
La nueva lava empuja el fondo oceánico
horizontalmente lejos del eje dorsal.




¿En que pruebas se basa?
La Segunda Guerra Mundial permitió a los científicos realizar algunas observaciones
desconcertantes. Las observaciones se originaron a partir de la batimetría y el
magnetismo del fondo marino. Estas fueron las observaciones:

El fondo marino tiene una gran cadena montañosa que lo recorre. Lejos de las
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