Plate Margins Flashcards
Give 2 characteristics of continental crust.
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- Less dense than oceanic crust
- Thicker than oceanic crust
- Lighter than oceanic crust
- Forms the Earth’s continents
- Older than oceanic crust
Give 2 characteristics of continental crust.
Identify the three types of plate margin.
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Constructive, conservative and destructive.
Identify the three types of plate margin.
Why are volcanoes not found along conservative plate margins?
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This is because a conservative plate margin, sometimes known as a transform fault, is where two plates move past each other without direct collision.
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Why are volcanoes not found along conservative plate margins?
What are the characteristics of the mantle?
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The thickest section of the Earth. Approximately 2900km.
It is made up of semi-molten rock called magma.
What are the characteristics of the mantle?
What are the characteristics of the inner core?
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A solid mass of iron and nickel. The hottest part of the Earth. Temperatures up to 5,550°C.
What are the characteristics of the inner core?