8/14/2014 KALYAN SIR: WORLD MOUNTAINS

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WORLD MOUNTAINS

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WORLD MOUNTAINS:

ü The study of Mountains is called Orography.

ü A Mountain is a large land form.

ü It stretches above the surrounding land in a limited area.

ü Mount Everest is the highest Mountain (8848 met) on the Earth.

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ü Olympus Mons on the planet Mars is the highest (21,171 met) known mountain in the

solar system.

ü The Mountain reaches the colder layers of the atmosphere.

ü The peak shape is produced because of the continuous erosion.

ü The mountains are divided into 5 major types.

· Fold Mountains

· Fault Block Mountains

· Volcanic Mountains

· Dome Mountains

· Plateau Mountains

MOUNT EVEREST

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FOLD MOUNTAINS:

ü These are the most common type of mountains.

ü These types of Mountains are formed because of the collision of the plates.

ü There are many folders in the mountains.

ü These folders break down under pressure.

ü These folds are called Nappe.

ü These are again divided into

v Old Fold Mountains

v New or Young Fold Mountains

OLD FOLD MOUNTAINS:

ü These mountains are folded in very ancient times.

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ü These include Caledonian and Hercynian mountains of central Europe, the highlands of

Scotland.

YOUNG FOLD MOUNTAINS:

ü These are the complex folding of the rocks.

ü The Himalayan Mountains are the youngest fold mountains the World.

ü Alps Mountains are the other examples of the Young Fold Mountains.

BLOCK MOUNTAINS:

ü These are formed when blocks of rock material slide along faults in the earth’s crust.

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ü These are either lifted or tilted.

ü Lifted mountains have two steep sides.

ü Tilted mountains have one steep side.

ü Vindhya and Satpura Mountains in India are the examples of Block Mountains.

VOLCANIC MOUNTAINS:

ü These are formed due to volcanic eruptions.

ü The Magma comes on to the surface of the earth and piles up.

ü Mount Fuji in Japan and Mount Pinatubo in Philippines are the examples of volcanic

mountains.

DOME MOUNTAINS:

ü These are called Dome Mountains because of their shape.

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ü In this case the Magma is not erupted.

ü The magma cools down and forms the core of the mountain.

ü Navajo Mountain in USA is an example for Dome Mountains.

PLATEAU MOUNTAINS:

These are also called Pseudo Mountains.

They are formed because of the erosion.

Catskill Mountain in USA is an example for the plateau Mountains.

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GENERAL KNOWLEDGE - 1

1 comment • 6 months ago

c.kowsalya — it was awe some site sir. sir will you let me know

how will be the pattern of general awareness for ssc

examination

AGRICULTURAL INSTITUTES

1 comment • 2 months ago

Purushothama Kumar Azmeera — thank you sir!

OCEANS

2 comments • 6 months ago

Brajesh Yadav — sir is there addition of water through rivers

affect the salinity of that sea, like higher the water added

through rivers which have more content of rain water + …

POLITY - 1

2 comments • 2 months ago

Vineela Rongali — Done sir.. Waiting for similar exercises :) :)

Thanks a lot for this

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