298210
Andes - case study of fold mountains
- Where?
- longest range
of fold
mountains in
world
- 7,000Km
- 7,000Km
- Length of S. America
- average
height of
4,000m
- longest range
of fold
mountains in
world
- Cause?
- Nazca plate and
SAmerican plate
- destructive
plate margin
- Nazca plate and
SAmerican plate
- Opportunities for people
- Farming
- potatoes - main source of food
- also soybeans,
rice and cotton
- also soybeans,
rice and cotton
- steep slopes are overcome by
the use of terraces
- terraces also
retain what little
rain is received
- terraces also
retain what little
rain is received
- Llamas also reared
- carry materials for irrigation
and buildings into otherwise
inaccessible areas
- can carry 25% of its bodyweight
- female llamas also
used for meat and milk,
their wool for clothes
and rugs
- carry materials for irrigation
and buildings into otherwise
inaccessible areas
- potatoes - main source of food
- Mining
- ranks in ton
ten countries
for tin, nickel,
silver and gold
- more than half Peru's
exports are from mining
- Yanacocha gold
mine is largest in
the world
- however the gold bearing rock
is sprayed with cyanide and gold
extracted from resulting solution
can lead to water contamination
- however the gold bearing rock
is sprayed with cyanide and gold
extracted from resulting solution
can lead to water contamination
- Cajamarca
grown from
30,000 when
mine
because to
240,000
- growth means jobs but also lack of
services and increased crime rate
- growth means jobs but also lack of
services and increased crime rate
- ranks in ton
ten countries
for tin, nickel,
silver and gold
- HEP
- steep slopes
and narrow
valleys are more
easily dammed
- relief
encourages
rapid flow of
water
- melting snow in spring increases water supply
- variation throughout the year is a disadvantage
- steep slopes
and narrow
valleys are more
easily dammed
- Tourism
- Many natural attractions
- peaks, volcanoes, glaciers and lakes
- peaks, volcanoes, glaciers and lakes
- Inca early settlements and Inca trail
- trail consists of three routes that join at Machu Picchu
- trail consists of three routes that join at Machu Picchu
- Many natural attractions
- Farming
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