Planet Earth: Topic 7 - Mountains
Answers
1.
Different action acting on the rocks of the Earth's surface can cause different types of
mountains to form. Most mountains are large areas that have been ...
uplifted
(Text 412) The uplifting due to the movement or heating of plates, which diverge,
converge or slide past each other.
x
compressed
x
folded
x
faulted
2.
When older rock ends up on top of younger rock the mountains formed are called ...
x
thrust mountains
x
fault mountains
x
block mountains
fault block mountains
(Text p. 413) American rockies where the basement rock is on top of the sedimentary
rock
3.
When sedimentary rock is squeezed from the sides and is too brittle to fold, it can break and
form into slabs that move up and over each other. This is an example of ...
x
diverging fault
thrust fault
(Text p. 413) Just like shingles on a roof (the Canadian Rockies are an example of thrust
faulting)
x
sliding fault
x
folded layering
4.
This factor might be the best way to determine the age of a mountain.