Do continents move? Why do continents move?

Amruth By Amruth, 1st Jan 2011 | Follow this author | RSS Feed | Short URL http://nut.bz/qg4zo52-/
Posted in Wikinut>Guides>Science>Environmental Science

Most geologists (scientists who study how the Earth was made) agree that hundreds of millions of years ago, the continents were joined together. Many geological clues support this idea. For example, on the east coast of South America there is a belt of ancient rocks which matches the rocks on the west coast of Africa, on the opposite side of the Atlantic.

Do continents move? Why do continents move?

Most geologists (scientists who study how the Earth was made) agree that hundreds of millions of years ago, the continents were joined together. Many geological clues support this idea. For example, on the east coast of South America there is a belt of ancient rocks which matches the rocks on the west coast of Africa, on the opposite side of the Atlantic.
To add to the geological evidence, biologists have found that the same species of some animals live on different continents, separated by thousands of miles of ocean. How could this happen unless the two continents were once much closer?
The continents are still drifting apart. Every year, New York moves about 2 cm (i in) farther from London!
The drift of the continents is probably caused by the division of the Earth's crust into a number of gigantic 'plates'. These plates move very, very slowly but with tremendous power. The edges of the plates, called margins, appear as lines of weakness in the Earth's crust and cause upsets on the surface. For example, the ring of volca­noes around the Pacific Ocean marks the margins of one plate, which is pushing up against its neighbours. The Himalayan Moun­tains were probably formed when the plate under India crashed against the plate to the north of it. (This movement is probably not yet finished, in which case, the Himalayas are growing higher!) The three main types of crustal plate margin and the features produced by them on the Earth's surface.

Tags

Continents, Continents Move, Earth, Environment, Geology, Tetonic Plates, Volcano

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Comments

author avatar Denise O
4th Jan 2011 (#)

Good info.
Thank you for sharing.:)

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author avatar Trevor
15th Mar 2011 (#)

i like it

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9th Jan 2013 (#)

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author avatar n
26th Apr 2013 (#)

stupid

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