Fold Mountains Flashcards
How do fold mountains form?
Fold mountains occur when plates collide and put great pressure on the two plates making the plates warm from the heat. They crumble upwards. Forming fold mountains.
What is the name for the upfold and downfold of the volcano
Anticline =the upfold. Syncline=downfold
How old are the Caledonian mountain folding period
Roughly 400 million years old
How old are the amorican folding mountain period
Roughly 250 million years ago
How old are the Alpine fold mountain
50 million years old
how are igneous rocks formed?
Igneous rocks are formed from volcano eruptions
How are metamorphic rocks formed?
When the great heat of magma and lava as well as pressure from plate movement changes rocks