Post on 20-Jun-2015
description
Relief of the Basque Relief of the Basque CountryCountry
Mountains and landscapesMountains and landscapes
Relief unitsRelief units
There are three There are three main areas:main areas: PyreneesPyrenees
Basque mountainsBasque mountains
Ebro’s depressionEbro’s depression
PyreneesPyrenees
This mountain range This mountain range covers from the covers from the Table of the Three Table of the Three Kings to Larrun. Kings to Larrun.
There are three There are three areas:areas: NorthernNorthern AxialAxial SouthernSouthern
PyreneesPyrenees
Axial Pyrenees: It is Axial Pyrenees: It is formed by the Paleozoic formed by the Paleozoic massifs of Bortziriak, massifs of Bortziriak, Larrun, Urtzumendi, Larrun, Urtzumendi, Aldude-Kinto, Oroz-Aldude-Kinto, Oroz-Betelu, Irati-Mendibeltza Betelu, Irati-Mendibeltza and Iguntza’s massif. and Iguntza’s massif.
These mountains are These mountains are not very high but they not very high but they are very stepped and are very stepped and the activity of rivers is the activity of rivers is very important on them.very important on them.
PyreneesPyrenees
South Pyrenees: South Pyrenees: Interior mountainsInterior mountains
It is the highest It is the highest area, with Orhi, area, with Orhi, Auñamendi. Auñamendi.
There are covered by There are covered by limestone and they limestone and they were folded up were folded up during the Alpine during the Alpine orogenesis.orogenesis.
Orhi 2017m
PyreneesPyrenees
South Pyrenees: South Pyrenees: Interior depressionInterior depression
It goes from It goes from Irunberri to Irunberri to Pamplona following Pamplona following Araquil river basin.Araquil river basin.
Materials are Materials are tertiary with sectors tertiary with sectors of flysch. Rivers cut of flysch. Rivers cut this perpendicularly. this perpendicularly.
Araquil basin
PyreneesPyrenees
South Pyrenees: South Pyrenees: Exterior mountainsExterior mountains
The orography is The orography is simple. simple.
The mountains go The mountains go losing height and losing height and they have several they have several glaciers. glaciers.
Leire range
PyreneesPyrenees
Northern PyreneesNorthern Pyrenees They go loosing They go loosing
height height progressivelyprogressively
Some valleys have Some valleys have glacial originglacial origin
Basque MountainsBasque Mountains
There are not as There are not as high as the high as the Pyrenees and they Pyrenees and they have two different have two different directions so that directions so that we can distinguish we can distinguish two sectors:two sectors: NorthernNorthern SouthernSouthern
Northern Northern Basque MountainsBasque Mountains
It goes in parallel It goes in parallel to the coast. to the coast.
The traditional The traditional modeling is karsts modeling is karsts in the area of in the area of Gorbea and Aralar. Gorbea and Aralar.
It presents It presents different sectorsdifferent sectors
Northern Northern Basque MountainsBasque Mountains
Coastal tertiary Coastal tertiary mountain rangemountain range From the East of From the East of
Guipuzcoa to Guipuzcoa to Getaria.Getaria.
The most important The most important part is the part is the monoclinal close to monoclinal close to the coast in which the coast in which the most important the most important relief is Jaizkibel-Ulia.relief is Jaizkibel-Ulia.
Northern Northern Basque MountainsBasque Mountains
Coastal anticlinoriaCoastal anticlinoria From Bortziei to From Bortziei to
Matxitxako. Matxitxako. In this area are In this area are
Ernio, Izarraitz, Ernio, Izarraitz, Arno, Illuntzar and Arno, Illuntzar and Sollube. Sollube.
The dominant rock The dominant rock is limestone and the is limestone and the modeling of karsts.modeling of karsts.
Northern Northern Basque MountainsBasque Mountains
Biscay’s sinclinoriaBiscay’s sinclinoria It goes from Punta It goes from Punta
Galea to Bortzirieta and Galea to Bortzirieta and Aldudes-Kinto. Aldudes-Kinto.
The mountains of the The mountains of the region are Unbe, region are Unbe, Bizkargi, Oiz, Urko, Bizkargi, Oiz, Urko, Elosua and Murumendi. Elosua and Murumendi.
There are sandstones, There are sandstones, flysch and basalt. flysch and basalt.
Some forms are Some forms are rounded, mainly in the rounded, mainly in the narrow courses of narrow courses of rivers.rivers.
Northern Northern Basque MountainsBasque Mountains
Biscay’s anticlinoriaBiscay’s anticlinoria From Bortzirieta to From Bortzirieta to
Ordunte, with the Ordunte, with the mountains: Aralar, mountains: Aralar, Aizkorri, Anboto, Gorbea Aizkorri, Anboto, Gorbea and Ganekogorta. and Ganekogorta.
It is a section with It is a section with constant changes of constant changes of height and medium height and medium height. height.
The main materials are The main materials are limestone and the relief limestone and the relief is monoclinal. is monoclinal.
Southern Basque mountainsSouthern Basque mountains
They are located in They are located in the Mediterranean the Mediterranean slope and their slope and their structure belongs structure belongs to a big sinclinal. to a big sinclinal.
It is common to It is common to find in this region find in this region hanging sinclinals hanging sinclinals and monoclinals. and monoclinals.
Southern Basque mountainsSouthern Basque mountains
Alava’s plainAlava’s plain It is the elongation It is the elongation
of the depression of the depression of the Pyrenees. of the Pyrenees.
It is a sinclinoria It is a sinclinoria and relieves are and relieves are deep.deep.
Southern Basque mountainsSouthern Basque mountains
Western mountain Western mountain rangesranges They close the plain They close the plain
from the West and from the West and are formed by are formed by limestone with limestone with monoclinal monoclinal structure. structure.
Arkamo, Salvada eta Arkamo, Salvada eta Gibixo are in this Gibixo are in this section in which the section in which the highest mountain is highest mountain is Eskutxi.Eskutxi.
Southern Basque mountainsSouthern Basque mountains
Central mountain Central mountain rangesranges They expand They expand
between Alava and between Alava and Navarre: Andia, Navarre: Andia, Urbasa, Entzia, Urbasa, Entzia, Iturrieta and Iturrieta and Mountains of Mountains of Gasteiz. Gasteiz.
Southern Basque mountainsSouthern Basque mountains
Southern mountain Southern mountain rangesranges Toloño mountain Toloño mountain
range separates range separates Treviño from Alavan Treviño from Alavan Rioja. Rioja.
The relief is The relief is complex, with complex, with several crests. several crests.
Ebro’s depressionEbro’s depression
It is the area crossed It is the area crossed by Ebro River and it by Ebro River and it is a sedimentary is a sedimentary basin. basin.
The sector in central The sector in central Navarre was the limit Navarre was the limit of an ancient tertiary of an ancient tertiary lake and it has a lake and it has a slopped relief with slopped relief with crests. crests.
Ebro’s depressionEbro’s depression
The most amazing The most amazing area is that of area is that of Bardenas because Bardenas because due to the presence due to the presence of material that of material that answers to erosion answers to erosion in different ways in different ways results in a results in a landscape in with landscape in with there are different there are different levels. levels.