Unit 7.2 notes Flashcards Preview

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Flashcards in Unit 7.2 notes Deck (13):
1

Which plate is denser, continental or oceanic

Oceanic

2

The earths unchanging size implies that

The earth's crust must be destroyed at the same rate that it is created

3

What happens in convergent boundaries

Destructive earthquakes and rapid mountain uplift

4

What is the most visible spectacular co sequence of plate tectonics

Himmalyan mountain range

5

Example of a transform boundary

San Andreas fault zone in California

6

Normal fault

When rock is pulled apart by tension. The hanging wall moves down relative to the footwall

7

Reverse fault

When rocks are pushed together by compression

8

Strike slip fault

Form when opposing stresses cause rock to break and move horizontally

9

What are the two types of folds

Anticlines and synclines

10

Best known divergent boundary

Mid Atlantic ridge

11

What type of stress happens at convergent boundaries

Compression

12

What happens at divergent boundaries

Tension

13

What happens at transform boundaries

Sheer stress