chapter 1 plate tectonics Flashcards
1
Q
lithosphere
A
layer made of outer crust and solid upper mantle
2
Q
asthenosphere
A
semi molten part of upper mantle
3
Q
proof of continental drift
A
Pangaea
continents of south America and Africa fit together
remains of ice sheets in areas that couldn’t support an ice age
4
Q
proof of sea floor spreading
A
rocks get progressively older with distance from mid ocean ridges
5
Q
oceanic plate convergence
A
pacific plate and Eurasian
6
Q
Continental plate convergence
A
Eurasian and African plates
7
Q
oceanic continental convergence
A
Nazca plate and south American plate
8
Q
oceanic divergence
A
north American and Eurasian
9
Q
Transform plates
A
North American and Pacific plates
