Lecture 3: Plate Tectonics

Question 1

2 layers of the mantle

Answer 1

Mesosphere & Asthenosphere

Question 2

What minerals are the oceanic and continental crust rich in?

Answer 2

Fe and Si

Question 3

Continental drift evidence

Answer 3

1) Jigsaw puzzle
2) Paleoclimate deposits
3) Fossil bands
4) Continuations of mountain ranges

Question 4

How did the continents move?

Answer 4

Movement along plate boundaries, convective currents

Question 5

Types of plate boundaries

Answer 5

Convergent (destroyed), divergent (created) and transform-faults