Geology test three- quiz 7 Flashcards Preview

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Flashcards in Geology test three- quiz 7 Deck (18):
1

continental crust is made up of mostly

Granite

2

ocean crust is made up of mostly

Basalt

3

The lithosphere consists of both

crust and upper mantle above asthenosphere

4

The lithospheric plates float on the partially molten

Asthenosphere

5

Density of continental crust

2.7-2.8

6

Density of ocean crust

2.9-3.0

7

The MAIN WAY we know about the interior of the earth is by studying

Earth quakes

8

The best modern example of a ocean-ocean convergent boundary is

Japan

9

At divergent boundaries crust is

Created - harry hess

10

One of the best modern examples of an ocean continent convergent boundary is

West coast of south America

11

one of the best modern examples of a strike-slip plate margin

san Andreas fault

12

The best examples of a modern continental -continental convergent margin is

Asia-India

13

one of the best modern examples of an oceanic hot spot is

Hawaii

14

One of the best modern examples of a continental hotspot is

Yellow stone Park

15

Who came up with the idea of continental drift

Alfred Wagner

16

Who came up with the idea of sea-floor spreading

Harry hess

17

What is the main drift driving force behind continental drift

convection currents in the mantle

18

The largest crustal plate is the

Pacific