mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. A

Mountains
Mountains are elevated high land consider able higher than sarroundins land..
As a general rule a high lands is regarded as a mountain.
If its elevation excesed 600m, a mountain may occur singularly as an isaleted peark or as ridge coveringition exitessine area..

  Types of Mountains..

There are four basic type of mountains formation they are.....

1.Block mountain or Horst mountain
2.Fold mountain
3.Volcanie mountain
4.Residual Mountain.

BLOCK AND IT'S FORMATIONS.

These are mountain caused by fawl accompained by tension and compressional forces when the earth movement generate tensional force that tend to put the crust aprt...

The fault or crack are developed if the block enclosed by the fault remain as it is or rises while the land on either sides subsides ,the up standing block becomes the block or Horst mountains e.g
1.the vosgas and block forest of the Rhine land in Europe.
2.Humstruck of Germany
3.The western arm of the rift valley of East African in Zaire ugant borde ..

A fault caused by tension is know as a { Normal fault} while one which is caused by compression,it is fermed a { reverse or thrust }

 Types of Fold 

1.Over Fold
2.Symmetrical
3.Recumbent
4.Over thnest Fold

Characteristics of fold mountain.

1.they contain old rock with steep sides.
2.they show district peak with great heigh
3.they are stock
4.they have articline and syncline
5.they exist in layered form.