Case Study- Fold mountains the Andes.

HideShow resource information
  • Created by: Amber
  • Created on: 09-02-14 10:53
What is subsistent farming?
Farming to provide food and other resources for the farmer's own family.
1 of 27
What are terraces?
Steps that are cut into fold mountains to create areas of flat land.
2 of 27
What do terraces do?
They retain water, limiting the down-movement of soil preventing soil erosion.
3 of 27
What is irrigation?
Artificial weathering of land
4 of 27
what is hydroelectric power?
The use of flowing water to turn turbines to generate electricity.
5 of 27
What are male and female llamas used for?
Male llamas are used for transportation and the females are used for milk and emat.
6 of 27
LLamas are known for being in the Andes. They carry material for irrigation and their wool is used as clothes as well as rugs.
7 of 27
What is the main source of food?
potatoes are the main source of food and are grown on mountain slopes.
8 of 27
What cash crops are there?
Cash crops include: soy beans, rice and cotton.
9 of 27
What other crops are grown?
Crops are grown in the lower valleys and in a patchwork of fields.
10 of 27
What is the average height of the Andes?
The average height is 4000 metres and is 300km in width.
11 of 27
When was it created?
It was create 65 million years ago and is the longest range of fold mountains in the world.
12 of 27
Hydroelectirc power: What do steep slopes and narrow valleys mean?
It means that farming is limited and they can easily be dammed than wide valleys
13 of 27
Hydroelectric power: What does the relief encourage?
The relief encourages the rapid fall of water needed to generate electricity.
14 of 27
Hydroelectric power: What increases water supply?
When snow melts it encourages the amount of water.
15 of 27
What does HEP stand for?
Hydroelectric power
16 of 27
What did the HEP plant begin to do to generate electricity?
The plant began to generate electricity involving a huge dam across the canete river.
17 of 27
What is the £US200 milion project?
The second largest in Peru.
18 of 27
Benefits to the environment?
Noisy to animals, floods lands behind the residue behind the dam, disturbs natural enviromentas and disturbing food supply, disrupt migration of fish as they die.
19 of 27
Mining- Where are they located?
It is in Peru which owns 49% of the share.
20 of 27
What important materials are found in the andes?
Gold, silver and tin are found in the Andes.
21 of 27
What does the Andes consist of?
The andes consists of the largest gold mine in the world. It is a joint venture between the Peruvian mining company and a US based company which has 51% share.
22 of 27
What are the countries in the Andes ranked for?
The countries in the Andes are ranked at the top 10 for supply of nickel, silver and gold.
23 of 27
Nearly half of Peru's exports are form mining.
Mining is maintaining materials from a mine.
24 of 27
What has increased crime rate?
Lack of services has increased the crime rate.
25 of 27
Anaconda gold mine increases the population, more jobs and services supporting the local economy.
Cyanide contaminates the water we drink and animals drink.
26 of 27
What is Cyanide
A salt or ester of f hydrocyanic acid
27 of 27

Other cards in this set

Card 2


What are terraces?


Steps that are cut into fold mountains to create areas of flat land.

Card 3


What do terraces do?


Preview of the front of card 3

Card 4


What is irrigation?


Preview of the front of card 4

Card 5


what is hydroelectric power?


Preview of the front of card 5
View more cards


No comments have yet been made

Similar Geography resources:

See all Geography resources »See all The Restless Earth resources »