1. Types of Mountains
• More than just lifted parts of the earths crust.
• Complicated structures that provide evidence
of the forces that created them.
• Mountains are classified by the forces that
create them.
– 4 different types of mountains.

2. Folded Mountains and Plateaus
• Highest Mountains in the world are made
up of folded mountains.
• Most commonly found where continents
collide.
• Mountains that have been folded together
like an accordion.
• The same forces that fold mountains also
uplift plateaus.

3. Folded Mountains and Plateus
• Plateaus are large mountains with large
areas of flat-topped rock high above sea
level.
• Most plateaus are formed when thick,
horizontal layers of rock are slowly lifted.

4. Fault-Block Mountains and Grabens
• Fault-block Mountains are formed when
blocks drop down relative to the other
blocks and mountains.
• Some fault-block mountains form narrow
valleys called grabens.

5. Volcanic Mountains
• Mountains that form when molten rock
erupts onto the earth surface.
• May develop on the land or in the ocean.
• Most volcanic mountains are found on
convergent plate boundaries.
• Other large volcanic mountains are found
over hot spots on the ocean floor.

6. Dome Mountains
• An unusual type of mountain that is
formed when molten rock rises through the
crust and pushes up the rock layers above
it.

7. Review
1. Describe what type of lithospheric plate
collisions that build mountains.
2. Name the four types of mountains and
how they are formed.
3. Explain how plateaus are formed.
4. How do volcanic mountains grow?