Plate Boundaries (OCR GCSE Geography A (Geographical Themes)): Flashcards
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Practise the cards
12 cards from this deck
Destructive plate margin movement
Destructive plate margin movement
Two plates moving toward each other
Term: oceanic plate forced down into mantle
Term: oceanic plate forced down into mantle
Subducted
Why volcanoes form at destructive margins
Why volcanoes form at destructive margins
Rising heat from melting subducted plate
Why earthquakes at destructive margins
Why earthquakes at destructive margins
Scraping of plate as it is subducted
Conservative plate margin movement
Conservative plate margin movement
Two plates moving sideways past each other
Why earthquakes at conservative margins
Why earthquakes at conservative margins
Friction builds and is released
Constructive plate margin movement
Constructive plate margin movement
Two plates move away from each other
What forms at constructive margins
What forms at constructive margins
New crust (magma rises, fills gap & cools)
Collision plate margin movement
Collision plate margin movement
Two continental plates move toward each other
What forms at collision margins
What forms at collision margins
Fold mountains
Example of fold mountains
Example of fold mountains
Himalayas
Why fold mountains at collision margins
Why fold mountains at collision margins
Both continental crusts pushed upwards (neither forced down)