Online quiz #3 Flashcards
Who proposed the theory of continental drift?
Alfred Wegener
Which of the following concepts was developed first?
-Continental drift
-Plate tectonics
-Seafloor spreading
-All of the above developed approximately at the same time
-Continental drift
New lithosphere is created
at mid-ocean ridges
In which ocean are most of the world’s convergent plate margins located?
Pacific Ocean
Which of the following is associated with a divergent plate boundary?
-earthquakes
-volcanism
-rifting
-all of the above
-all of the above
At what type of plate boundary do the deepest earthquakes occur?
Convergent
Which of the following is not associated with convergent plate boundaries?
-earthquakes
-deep-sea trenches
-spreading centers
-volcanoes
Spreading centers
Which of the following is a type of convergent plate boundary?
-continental rift
-spreading center
-mid-ocean ridge
-subduction zone
Subduction zone
Which of the following mountain ranges formed as a result of ocean-continent convergence?
-The Andes
-The Appalachians
-The Himalayas
-The Urals
-The Andes
When a deep-sea trench is located next to a continent, where would you expect to find active volcanoes?
On the continent side of the trench
The west coast of South America is?
a convergent plate boundary
Which of the following is an example of a transform plate boundary?
-The East African Rift
-The Mid-Atlantic Ridge
-The Marianas Trench
-The San Andreas Fault
The San Andreas Fault
Which plate boundary is parallel to the direction of the plate movement?
Transform plate boundary
Which mountain range is the product of continent-continent convergence?
The Himalayas
When was the supercontinent of Pangaea assembled?
approximately 250 million years ago
How old are the oldest rocks on the ocean floor?
approximately 200 million years old
The oldest continental rocks are __________ than the oldest oceanic rocks
much older
