Fold Mountains I (Junior Cert Geography): Flashcards
📚Flashcards
Practise the cards
13 cards from this deck
ShowHide
Practise the cards
13 cards from this deck
How do fold mountains form?
How do fold mountains form?
Two tectonic plates collide, land buckles and folds
What are anticlines?
What are anticlines?
Upward folds/ridges, long and narrow
What are synclines?
What are synclines?
Downward folds/valleys between anticlines
Why fossils found high in fold mountains
Why fossils found high in fold mountains
Rocks were once below sea, lifted up
Examples of fold mountains
Examples of fold mountains
Andes (S. America), Himalayas (Asia)
When Caledonian fold mountains formed
When Caledonian fold mountains formed
Around 400 million years ago
Where Caledonian mountains found
Where Caledonian mountains found
Donegal, Wicklow, Scotland
Characteristics of Caledonian mountains
Characteristics of Caledonian mountains
Worn down over time, rounded peaks
When Armorican fold mountains formed
When Armorican fold mountains formed
About 250 million years ago
Armorican ranges in Ireland
Armorican ranges in Ireland
Macgillycuddy's Reeks, Galtees, Knockmealdowns, Comeraghs
When Alpine fold mountains formed
When Alpine fold mountains formed
30 to 35 million years ago
Characteristics of Alpine fold mountains
Characteristics of Alpine fold mountains
Youngest and highest fold mountains
Examples of Alpine fold mountains
Examples of Alpine fold mountains
Rockies (N. America), Alps (Europe), Himalayas (Asia)