Fold Mountains Flashcards
What are fold mountains
Mountains that are made when two of earths plates collide
What happens when two plates collide
Pressure compresses the rocks, forcing them to buckle and fold ex.bonnet of car in crash
What is the evidence of folding
Dead Sea creatures-fossils, high up in the mountains, these lived in the sea and their remains sank and now have risen up with rocks when plates collide
Where has evidence of fold mountains been foun
Andes mountains in South America
What is the downward part of two plates colliding
Sync lines - the valley
Downfold= syncline
What is the upward part of two plates colliding
Anticline - ridge
Up fold = anticline
What are collisions doing
Increasing height of fold mountains
What age are the earths young fold mountains
30-35 million years old
What are young fold mountains called
Alpine earth mountains
Why are alpine earth mountains very high
They have yet to be worn down by weathering and erosion
Name the four main Alpine earth mountain ranges
- The Rockies, North America
- The Andes, South America
- The Alps in Europe
- The Himilayas in Asia
Give an example of an Amorican fold mountain
Magilcuddy’s reeks, The Galtees, The Comeraghs, and the Knockmealdowns
