All Natural Hazards Flashcards

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Identify the two types of tectonic crust.
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Oceanic and continental crust

Identify the two types of tectonic crust.
Give an example of two tectonic plates that form a conservative plate margin.
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North American and Pacific plates, Cocos and Nazca plates, Arabian and Indo-Australian plates and the African and Eurasian plates.
Give an example of two tectonic plates that form a conservative plate margin.
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?
What is a rift valley?
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A long, narrow valley lying between two normal geologic faults. Rift valleys usually form where the Earth’s lithosphere has become thin through extension associated with plate-tectonic processes.

What is a rift valley?
Describe the physical processes that happen at a conservative plate margin.
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At a conservative margin, two plates move parallel to each other. They can be moving in the same or opposite directions. Pressure builds along the margin of tectonic plates. As friction is overcome the rock fractures releasing energy as an earthquake.
Describe the physical processes that happen at a conservative plate margin.




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