Show:
The Mountain-Building Cycle
Types of Mountains
The Structure of Continents
Continental Interiors
Vocabulary
100
areas of subsidence and regions with low elevation
What is basins
100
Stresses caused by plate movement can pull or ________ crust
What is compress
100
Continental interiors have very few _________
What is mountains
100
stable, flat, very old, and very strong
What is rocks in continental interiors
100
areas of subsidence and regions with low elevation
What is basins
200
an extensive area of level or rolling land
What is plain
200
What are deeper rocks under ?
pressure
200
Where were the green areas shown in parts of present day of North America attached?
To other continents in other parts of the world
200
How old are the Canadian rocks?
more than 4.2 billion years old
200
an extensive area of level or rolling land
What is plain
300
are made of layers of rocks that are folded
What is folded mountains
300
Folded mountains form as continental plates collide, folding and uplifting ______________________.
layers of rocks
300
Rocks exposed at Earth's surface are
old igneous and metamorphic rocks
300
Why are ancient sedimentary basins are important?
because oil, natural gas, and coal usually are found in basins
300
when large regions rise vertically with very little deformation
What is uplifted mountains
400
when large regions rise vertically with very little deformation
What is uplifted mountains
400
the fold is a long ridge that is ___________ to the direction in which its pushed.
perpendicular
400
What can rifting do to a rock structure?
change their sizes and shapes
400
Under the right condition, where are the remains of plants and animals buried?
in the sediments that accumulate in basins
400
are parallel ridges that form where blocks of crust move up or down along faults
What is Fault-block mountains
500
parallel ridges that form where blocks of crust move up or down along faults
What is fault-block mountains
500
Rocks that are made of granite, which is an igneous rock originally formed several kilometers below Earth's surface.
What is Sierra Nevada
500
What do fragments in the western United States include?
volcanic arcs, ancient seafloor, and small pieces from other continents
500
What can the eruption of lava create?
What is large plateaus
500
are made of layers of rocks that are folded
What is Folded mountains