Plate Tectonics Flashcards

0
Q

Subduction

A

Heavier oceanic crust goes be each lighter crush which leads to new island arcs like New Zealand or mt. Ranges where magma is released ljke The Andes

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1
Q

Plate tectonics

A

Model/theory that explains why continental plates move and how they interact
(Sit on mantel(liquid))

North American plate includes part of asia Greenland and North America & we can investigate how they interact in changes in mt.ranges and land mass

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2
Q

Continental plates colliding

A

Increase in continental plate thickness (smash , compress go up ) and eventually to new mountain ranges like Himalayas

  • not all have subduction
  • increase in altitude could be from change in habits
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3
Q

Oceanic hot spot

A

Hot rock rises from the mantel and breaks through oceanic crust created by the movement of the plate over the area creating a chain of islands

Ex)Hawaii islands

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4
Q

Rift valleys

A

Two continental plates move apart from eachother forming deep lakes and valleys
Ex) lake Victoria

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