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The Earth relief | Lithosphere | Continental drift theory
 

1º de ESO Geography and History


Relief Unit RELIEF-Index

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The continental drift theory
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In 1912 the German scientist Alfred Wegener formulated the theory of "contintental drift": million of years ago there was a single continent, called Pangea, origin of the current ones.
Pangea
Pangea Enlarge animation
Source: US Geological Survey

It was based, among other things, on how the continents separated from one another, moving to opposite sides of the Atlantic Ocean, such as Africa and South America.

Abundant earthquakes and volcanoes are produced in the areas where the continental plates collide.

Tectonics plates and volcanoes Enlarge animation
Source: Jennifer Loomis, TERC    www.classzone.com

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© Jorge Juan Lozano Cámara, profesor del IES Juan de la Cierva de Vélez-Málaga
Licenciado por la Universidad de Granada (España)
   claseshistoria@hotmail.com

Ana María Marcos Sánchez, profesora del IES Juan de la Cierva de Vélez-Málaga
Licenciada por la Universidad de Málaga (España)

Kerry Elyse Hart, Licenciada por la Universidad de Richmond (Virginia, USA)

 

 
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