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Oceanic relief
 

1º de ESO Geography and History


Relief Unit RELIEF-Index

EARTH'S STRUCTURE

THE LITHOSPHERE

THE EART´S RELIEF

NATURAL RISKS

Mind maps MIND MAPS

Mapa conceptual Earth planet mind map

Glossary GLOSSARY

Interactive exercises EXERCISES

Links LINKS

Keywords KEYWORDS

Usual English phrases USUAL PHRASES


Geography Unit THE EARTH PLANET

Climate Unit THE CLIMATE

Prehistory Unit PREHISTORIC LIFE

Egypt Unit EGYPT


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Oceanic relief
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It is uner the oceans and seas. It is varied and irregular.

It includes:

Continental shelf

It is the submerged margin of the continents, extending from the shore to the first prominent break in the slope, which usually occurs at a depth of about 120-200 m. It is near the coastline.

Contienental slope

The slope that extends from the continental shelf down to the ocean depth.

Abyssal plain

It is the deepest part of the seafloor, below 2.000 meters.

Oceanic relief. Enlarge image
Oceanic relief Enlarge image

Oceans trenches

Deep-sea trenches are the deepest parts of the ocean. The deepest one, the Marianas Trench in the South Pacific Ocean, is 10,668 meters deep.

Oceans ridges

Large mountains located in the oceans floor. Rise up as far as 3000 m. Some of them protrude from the surface and form islands.

* Subduct: In geology, a subduction zone is an area on Earth where two tectonic plates meet and move towards one another.

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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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