Chap 4, Sec 3a Tectonic Lithospheric Plate Boundaries

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Tectonic Lithospheric Plate Boundaries
You have learned that lithospheric plates move due to
convection, slab pulling and ridge pushing –basically gravity and
heat. You have also categorized many different mountains
according to their shape. Let’s find out how these shapes came
to be.
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_________________________________
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
___________________________________________
___________________________________________
o _____________________________________
_____________________________________
Tectonic Lithospheric Plate Boundaries
 Convergent – two plates push into each other
o _____________________________________
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o _____________________________________
o _____________________________________
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_____________________________
_____________________________
Interact with pages 108 and 109. Use the outline provided to
focus your reading.

_________________________________

___________________________________________
o _____________________________________
___________________________________________
_____________________________________
o ______________________________________
_________________________________
______________________________________
_________________________________
o ______________________________________


_____________________________
_____________________________
o _____________________________________
_____________________________________
______________________________________
Tectonic Lithospheric Plate Boundaries
You have learned that lithospheric plates move due to
convection, slab pulling and ridge pushing –basically gravity and
heat. You have also categorized many different mountains
according to their shape. Let’s find out how these shapes came
to be.

_________________________________


___________________________________________
___________________________________________
o _____________________________________
_____________________________________
Tectonic Lithospheric Plate Boundaries
 Convergent – two plates push into each other
o _____________________________________
_____________________________________
o _____________________________________
o _____________________________________
____________________________________
_____________________________________
_________________________________
_________________________________
_____________________________
_____________________________
Interact with pages 108 and 109. Use the outline provided to
focus your reading.

_________________________________

___________________________________________
o _____________________________________
___________________________________________
_____________________________________
o ______________________________________
_________________________________
______________________________________
_________________________________
o ______________________________________


_____________________________
_____________________________
o _____________________________________
_____________________________________
______________________________________
Tectonic Lithospheric Plate Boundaries
You have learned that lithospheric plates move due to convection, slab pulling and ridge pushing –basically gravity and heat. You have
also categorized many different mountains according to their shape. Let’s find out how these shapes came to be.
Interact with pages 100 and 101. Use the outline provided to focus your reading.
Tectonic Lithospheric Plate Boundaries
 Convergent – two plates push into each other
o Continental/Continental

crust pushed up
o Continental/Oceanic

oceanic plate slides under continental plate

subduction zone
o Oceanic/Oceanic

one plate slides under the other


very similar to the Continental/Oceanic convergence
Divergent – two plates move away from each other
o where new oceanic lithosphere forms
o mid ocean ridges are the most common
o they can be found on continents

Transform – two plates slide past each other
o San Andreas Fault, CA is a good example
o The grinding and jerking cause earthquakes.
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