South American plate
See also: South America (homonymy)
The South American plate is a Tectonic plate of the Lithosphère of the Planet Ground. Its surface is of 1,030 45 steradians. One generally associates with it the plates of the the Andes of north and the Altiplano.
It couvre :
- majority of the South America except the North of the Andes cordillera located in Ecuador, Colombia and with the Venezuela, the Altiplano and the South of the Ground of Fire ;
- West of the Atlantic Southern including the South Georgia and the Falkland Islands but the islands Sandwich.
The South American plate is in contact with the plates of the the Andes of North, of Nazca, the Altiplano, the Antarctic, Scotia, Sandwich, African, North-American and Caribbean.
Its borders with the other plates are in particular formed of the Fosse of Peru and Chile on the peaceful coast of South America, of the Fosse of the Caribbean on the east coast of the Antilles, of the Fosse of the Sandwich on the east coast and North of the Sandwich islands and the Dorsale the médio-Atlantic in the Atlantic Ocean.
The displacement of the South American plate is done towards North at 1,45 centimetre per annum or at a number of revolutions of 0,6365° per million of years according to a pole eulérien located at 55°00' of Northern Latitude and 85°75' of Longitude Western (référentiel : peaceful Plate).
Related articles
Sources
- Peter Bird, '' digital An updated model off punt boundaries '', Geochemistry Geophysics Geosystems, 2003
- The Physics factbook - Speed of the tectonic plates
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