other notes Flashcards Preview

Geology > other notes > Flashcards

Flashcards in other notes Deck (29):
1

avg Plate movement per year-

avg 5 cm over a year

2

Conduction current in mantel does-

Moves plates

3

Outer core-

convection current

4

Lithosphere

Crust + mantle

5

Moho

solid layer

6

Pokeball looking thing (magnetic field)

protect us from radiation and keeps solar wind away from atmosphere

7

today we have

normal pull
it can reverse 100 years from now

8

earth core equal to

Mars size of the core

9

Heat of inner core

10,000 degrees celsius
so is the surface of the sun

10

average density of entire earth

5.0g/cc

11

use to study earths interior

volcano’s, deep wells, meteorites, lab test computers but the main way is earth quakes

12

first guy to come up with the theory of plate tectonics (continental drift)

Alfert wegener

13

Largest plate on earth

Pacific plate

14

Moving past each other (sliding)

Strike slip fault

15

if rock breaks

brittle

16

stress-more time-

less brittle

17

more pressure

less brittle

18

Hotter

Less brittle

19

Salt/gypsum/shale

Weak
slow

20

Granite/gabbro/Basalt

Hard
Break

21

Limestone/ marble

Intermediate

22

U shaped

Syncline

23

messed up S

Mono cline

24

A shape

Anticline

25

Tsunamis caused by

earth quakes

26

sun and moon cause

tittle waves

27

earth quakes in Alaska

1964

28

san fran earth quake year-

1906 most damage from fires

29

Charleston south Carolina

1896