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Andes Case Study

The Andes and its people
The Andes are a range of young fold mountains formed some 65 million years ago.

How were they created?
They are at a destructive plate margin. The Nazca oceanic plate meets the
S.American continental plate. This subduction zone has created an ocean…

Page 2

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Farming happens in the Andes despite:
1. High Altitude
2. Mountain slopes

In Bolivia:
Subsistence Farmers grow a variety of crops on the steep slopes,
including potatoes (a main source of food).
Use terraces to create areas of flat land on the slopes.
Terraces are good as flat areas…

Page 3

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Andes Case Study

HEP (Hydroelectric power)
Steep slopes and narrow valleys limit farming but are perfect for HEP.
More easily dammed than wider valleys
Relief (slope of the land) encourages the rapid fall/flow of water needed to
make electricity.
Melting snow in spring increases the supply of water
However varied…


Mr A Gibson


A useful and less common case study of fold mountains that you can add to your collection of examples. Some good facts in an easy to remember format.

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