Plate the Antarctic
See also: the Antarctic (homonymy)
The plate the Antarctic is a Tectonic plate of the Lithosphère of the Planet Ground. Its surface is of 1,432 68 Stéradian S. One generally associates with it the Plaque of the Shetland.
It couvre :
- the totality of the the Antarctic ;
- it quasi totality of the Antarctic Ocean of which the islands Kerguelen, Saint-Paul, Crozet, Amsterdam, Grooving plane except the Shetland Islands of the South, the South Georgia and the islands Sandwich of the South ;
- the South-east of the Pacific Ocean and South of the Indian Ocean.
The Antarctic plate is in contact with the plates of the the Shetland, Scotia, Sandwich, South American, African, Somali, Australian, peaceful, Juan Fernández and Nazca.
Its borders with the other plates are mainly made of dorsal and in particular those of the South-western of the Indian Ocean, the South-eastern of the Indian Ocean, the Pacific-Antarctic and of the Chile.
The Antarctic plate moves towards the Atlantic Ocean at a speed of 2,05 centimetres per annum or at a number of revolutions of 0,8695° per million of years according to a pole eulérien located at 64°32' of Northern Latitude and 83°98' of Longitude Western (référentiel : peaceful Plate).
Related articles
- Plate tectonics
- Plate the Shetland
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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