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Mountains 3.1 Mountains 3.1

Mountains 3.1 - PowerPoint Presentation

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Uploaded On 2017-12-05

Mountains 3.1 - PPT Presentation

Where do mountains form Most mountains form along plate boundaries Plates collide and cause the land and crust to be pushed up forming mountains The plates can continue to push together and the mountains can grow An example of this is the Himalayas ID: 612710

crust mountains form plates mountains crust plates form plate mountain break grow formed bend fault block push continental continue

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Slide1

Mountains 3.1Slide2

Where do mountains form?

Most mountains form along plate boundaries.

Plates collide and cause the land and crust to be pushed up forming mountains.

The plates can continue to push together and the mountains can grow. An example of this is the Himalayas.Slide3

Mountain ranges located in the middle of plates like the Rocky Mountains and the Appalachians were formed by ancient plate collisions that formed the present day continents. Slide4

Do mountains stay the same?

Processes are wearing down mountains all the time.

Water and wind break rock apart creating sediment that is carried away.

All mountains will become low rounded hills eventually.Slide5

How do mountains form?

Rocks are brittle and will break, but when pressure is applied slowly they can bend. Rocks deep in the crust are warmer and more likely to bend.Slide6

Folded mountains

A folded mountain forms as continental crust crumples and bends into folds.

This happens at convergent plate boundaries.

If the plates continue to push together the mountain will grow.Slide7
Slide8

Fault-block mountains

Fault-block mountains form where continental crust is being pulled apart. As the crust is stretched, it breaks into blocks. The blocks tilt creating higher areas.Slide9