Ch.4 Folding Flashcards
How does folding occur
When plates collide, the pressure on rocks in the crut are folded and pushed up. This makes fold mountains
What happens when a lighter plate and a heavier plate are colliding
The heavier plate gets pushed underneath the lighter plate and sinks into the manlte
Name the 3 types of fold mountains
Caledonian
Amorican
Alpine
What type of fold mountains is the youngest
Alpine
What type of fold mountains is the oldest
Caledonian
What type of fold mountains is middle aged
Amorican
What type of fold mountains are 400 million years old
Caledonian
What type of fold mountains are 250 million years old
Amorican
What type of fold mountains are 50 million years old
Alpine
What do Caledonian fold mountains look like
Quite round in shape
What do Amorican fold mountains look like
Kind of high and jagged
What do alpine fold mountains look like
High and jagged
What type of fold mountains keep folding
Alpine fold mountains
Where can you find Caledonian fold mountains
Wicklow mountains
Where can you find Amorican fold mountains
Mcgillycuddy reeks
Where can you find alpine fold mountains
The Himalayas
Anticline
The up fold of a mountain
Syncline
The down fold of a mountain
Limb
The space between the anticline & syncline
Name 3 social impacts of fold mountains
- clean air
- lack of amenities
- isolation
Name 3 environmental impacts of fold mountains
- landslides
- pollution from traffic
- sustainable tourism
Name 3 economic impacts of fold mountains
- farmland
- recreational tourism
- income from forestry
