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Transcript
Mountain
Quiz Prep
•Where are the
closest
mountains?
•Just about 40 to 60
miles west of here.
The closest point is
in Pennsylvania
•What is the name
of the closest
mountains to us?
•The
Appalachians
•What type of
mountains are
the
Appalachians?
•Folded
mountains
•What caused
these folded
mountains to
form?
•When north America
collided with Africa
the rock that forms
the Apalachians
became folded and
lifted
•What type of plate
boundary collision
caused the
mountains to form?
• Continental/ Continental
• Convergent boundary
•What causes the
valleys and peaks
that we presently
see in the
Appalachian
Mountains?
• Layers of soft rock
erode faster than the
layers of hard rock.
• Hard rock forms the
peaks and soft rock
forms the valleys
•Explain
isostacy
• Because mountains are
floating on the mantle,
there is as much
mountain below the crust
as there is above the
crust. As the mountain
wears down, it floats
higher on the mantle
•What causes
uplifted
mountains to
form?
•The mantle pushes
upward on the crust
causing a section of
the crust to rise up
above the
surrounding rock
•Where can we
find uplifted
mountains?
• The adirondacks in
new York
• The Black Hills in
South Dakota
• When the crust is
pushed up slightly and
stretched, causing
huge chunks of rock to
drop down, what type
of mountain is formed?
•Fault Block
Mountains
What causes the rock
in fault block
mountains to lift and
stretch?
•Currents in the
mantle push up
and apart
•What type of
energy transfer
causes all
mountains to
form?
•CONVECTION
, by causing
the mantle to
flow
•What type of
mountains are the
mountains in the
great basin in Utah
and Nevada?
•Fault Block
mountains
•Why are folded
mountains so
long?
•Because the rock
folds along the
whole plate
boundary during the
continental collision
•What specialized
type of mountains
does Oceananic
/Continental
convergence
cause
•VOLCANOES
What type?
What type?
What type?
•Fault Block
Mountain
•The faults are the
up and down
cracks where the
rocks slid down
Where is the Block?
•The Blocks are
the giant slabs
of rock that slid
down