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Types of Mountains

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Kristopher Lugtu

on 20 April 2010

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Transcript of Types of Mountains

TYPES OF MOUNTAINS by: Kris Lugtu & Jeremy B-T There is five types of mountain
1.Fold Mountains (Folded Mountains)
2.Fault-block Mountains (Block Mountains)
3.Dome Mountains
4.Volcanic Mountains
5.Plateau Mountains
First type of mountains (Folded Mountains) Fold mountains are the most common type of mountain. The world’s largest mountain ranges are fold mountains. These ranges were formed over millions of years.
Examples of folded mountains:
Himalayan Mountains in Asia
the Alps in Europe
the Andes in South America
the Rockies in North America
the Urals in Russia Second type of mountain
(Block Mountains) The Himalayan Mountains were formed when India crashed into Asia and pushed up the tallest mountain range on the continents. These mountains form when faults or cracks in the earth's crust force some materials or blocks of rock up and others down. Instead of the earth folding over, the earth's crust fractures (pulls apart). It breaks up into blocks or chunks. Sometimes these blocks of rock move up and down, as they move apart and blocks of rock end up being stacked on one another. Third Type Mountains(Dome Mountains) Dome mountains are the result of lots of magma pushing its way up under the earth crust. Without actually erupting onto the surface, the magma pushes up rock layers. Eventually, the magma cools and forms hardened rock. The uplifted area created by rising magma is called a dome because of looking like the top half of a ball (sphere). The layers over the rock (the one that the magma formed) become warped to make a dome, and the rock surrounding remains flat. This The fourth type (Volcanic Mountain) Volcanic Mountains are formed when magma deep within the earth, erupts, and piles upon the surface. Magma is called lava when it breaks through the earth's crust. When the ash and lava cools, it builds a cone of rock. Rock and lava pile up, and make the mountain. like this A fault in which surfaces on opposite sides of the fault plane have moved horizontally and parallel to the strike of the fault. A fault which has slippage along both the strike and dip of the fault plane. Examples of volcanic mountains include:

Mount St. Helens in North America
Mount Pinatubo in the Philippines
Mount Kea and Mount Loa in Hawaii last type of mountains (Plateau Mountains) Now the last type (Plateau Mountains (Erosion Mountains)
Plateau mountains are formed by erosion. (Plateaus are large flat areas that have been pushed above sea level by forces within the Earth, grazity for example or have been formed by layers of lava.)The dictionary describes these as‘high levels’ of flat land, over 600 meters above
sea level. That's alot.
Plateau mountains are usually found near folded mountains. As years pass, streams and rivers breaks down valleys through the plateau, leaving mountains standing between the valleys. these are plateau mountains in New Zealand Thrust Fault thrust is when the ground volvano types are http://library.thinkquest.org/17457/volcanoes/types.shield.php
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