Geography

Geographic localization of the highlands and plains of Brazil

Geographic localization of the highlands and plains of Brazil


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In the Brazilian relief, the plateaus predominate - the Guianas and the Brazilian highlands, subdivided into Atlantic, Central, Southern and South-Rio-Grandense.

The regions of 201 to 1200 m of altitude occupy 58.46% of the territory. Regions above 1200 m represent only 0.54% of the surface.

The Guyana Plateau occupies the north of the country and extends into neighboring countries. It is divided into mountain escarpment and north amazon plateau.


Guyana Plateau

On the Amazon / Venezuela border, there is the Sierra Imeri, where are the two highest points of the Brazilian territory: the peaks of the mist with 3014 m and 31 March with 2992 m.


Fog Peaks and March 31

Plateaus

The Brazilian plateau, due to its extension and diversity, is divided into four parts:

  • Atlantic plateau: occupies the coast from the Ceará / Piauí border to the north of Rio Grande do Sul. In the Northeast Region, altitudes between 200 and 500 meters prevail, with emphasis on the plateaus and mountains. In the Southeast Region, it has its highest average altitudes and "seas of hills" arise, with characteristic formations of "half oranges" and "sugar loaves".


"Seas of hills" - Serra do Espinhaço - extend through the states of Minas Gerais and Bahia

  • Central Plateau: dominates the Midwest region of the country. It is formed by sedimentary plateaus (plateaus) and very old and worn crystalline plateaus. It presents very acidic soil and little fertile.


Chapadas of the Central Plateau

  • Southern Plateau: occupies most of the Paraná and Uruguay rivers basin, in the Southeast, South and south end of the Midwest. Its formation is basically by sedimentary terrain, partially covered by basaltic lava flows (Mesozoic Era). It is divided into two parts:
    - Peripheral depression, with sandstone terrain, bordering the Atlantic Plateau;
    - Sandstone-basalt plateau, consisting of alternating layers of sandstone and basaltic lava. Among them emerge abrupt walls, the so-called cuestas. The relief is gently sloping towards the Paraná River to the west.


Paraná Cuestas

  • Rio Grande do Sul Plateau: is located at the southern end of Rio Grande do Sul, also known as Campaign Gaucha. It has very smooth relief and few grassy hills.


Gaucho Campaign

Plains

  • Wetland Plain: occupies the depression in which the Paraguay River and its tributaries flow. Its recent formation (Quaternary) presents low slope, causing great floods. The lower parts, occupied by lagoons, are called bays, and the upper parts of mountain ranges. In the flood season, they turn into a large lake and most of the mountain ranges are submerged.


Wetland Plain

  • Coastal plains: are the coast, from Maranhão to Rio Grande do Sul, in a range of variable width. In some parts of the Southeast, the plateaus reach the sea, forming cliffs.


Cliffs in Torres - Rio Grande do Sul

  • Amazon plain: It occupies the sedimentary basin situated between the Guyana (N) and Brazilian (S) plateaus, the Andes (O) and the Atlantic Ocean (NE). Its terrain is sedimentary lowland - plains only along rivers and low plateaus with altitudes up to 200 meters. It is divided into three parts: igapó (areas along rivers, flooded much of the year); floodplains (higher terraces, floodable in floods); firm lands (Older Tertiary land, and elevated out of flood range).


Amazon plain

Plateaus and plains geographical location - prepared by the department professor
of geography at the University of São Paulo (USP), Jurandyr Ross



Comments:

  1. Tzefanyah

    And I didn't think about that. I'll tell my mom, she won't believe it!

  2. Mozilkree

    Someone is now eating lobsters in the bathhouse, but ordinary people are sitting idle ...



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