elementos de relieve

6. a) Mountains chains: very high elevations
- Mountains ranges (high and sharp) -cordilleras-
- Massifs: Old mountains ranges (round) -macizos-
b) Plateaus: high flat areas
- Mesas or páramos.
- Peneplain -penillanura-
c) Plains: low flat areas.
- Alluvial plains (rivers)
- Coastal plains (sea)
d) Basins: low areas below sea level.
e) Valleys:
- Glaciar Valleys “U-Shape”
- River valleys “V-Shape”
- “Cannons”

7. “Young” mountains chains: high and sharp
(current tectonic plates contact)
Sharp and high
+3500 metres.
The Alps,
Switzerland

8. Old mountains chains (round, eroded)
Old tectonic contact.
Old round
Mountains chains
900 metres
Ourense
Galicia

9. Plateau: High flat areas from eroded mountains
(more than 500 metres).
Wide high plain
slope
Harder
layers

10. Páramo or mesa (isolated plateau,
or reliefs with flat peak)
Flat peak
More paramos
Colorado
USA

11. Very flat land, usually less than 300 metres high.

12. Hilly plain, with river valleys, and not completly flat
(llanura con colinas)
350 metres
Over sea
valleys
Old mountain chains
Hills
Cáceres

13. “Wavy appearance”
Low rocky
hills
Cáceres

14. Very low areas, sometimes below sea level,
usually in wide river valleys.
Ebro
Basin,
Aragón

15. U-shape
valley

16. Narrow valleys in the mountain chains, formed by
rivers.

17. 1. Coastal plain
(beginning of the continental shelf)
2. Cliffs
(sharp end of coastline)
3. Capes (narrow portion of land entering in sea)
3. Gulfs (big) and bays (small).
(water entering in land)
4. Peninsulas
(land entering in water)
5. Archipelagues
(group of islands)
6. Atoll (atolón)
7. Straits. (lands narrowly divided by water)

18. Padre Island
Texas, USA
This plains are caused by proximity to
Continental shelf. Very low areas
Flat land

19. Gulf of
México
USA
México
Peninsula
Florida
Peninsula
Yucatán
Bahamas
Archipelague
Texas & Louisiana
Coastal plain

20. Cliffs: sharp ending of the continental land.
Mohen,
Ireland
Layers of
Sedimentary rocks

21. Narrow portions of land entering in the sea.

22. Portion of water surrounded partialy by the coastal line.
Bay or
Harbour.

23. Gulf of
México
USA
México
Peninsula
Florida
Peninsula
Yucatán
Bahamas
Archipelague
Texas
plain
Portion of water surrounded partialy by the continent,
(much bigger than a bay).

24. Piece of land almost
entirely surrounded by
Water.
Iberian
Peninsula.

25. Gulf of
México
USA
México
Peninsula
Florida
Peninsula
Yucatán
Bahamas
Archipelague

26. Group of islands in the sea or ocean.
Canarias
islands

27. Gulf of
México
USA
México
Peninsula
Florida
Peninsula
Yucatán
Bahamas
Archipelague
Cuba

28. a) Continental shelf: underwater plateau
200 m. deep
b) Abyssal plain: underwater plateau
+ 4000 m. deep.
c) Continental slope: the slope between both of
them.
d) Trench (fosas): very deep, in the contact of
tectonic plates.
e) Ridges (dorsales oceánicas): mountain ranges
in the oceans.

29. Continental shelf: plain behind the water
of the sea, quite hollow

31. Continental slope: end of the continental shelf, falling
To the abbysal plain.
Continental slope

32. Trench
(fosa)
Abyssal plain, very deep (+4000 metres)

33. 4. Ocean Ridge
Lava in ridges
Mountain chains in the middle
of the ocean, created by the
Division of tectonic plates.

34. Deepest places in the oceans, more than 8000 metres.