Geology/ Terrestrial Processes Flashcards
1
Q
Extrusive igneous rocks
A
Rhyolite, basalt, gabbro
2
Q
Intrusive igneous rocks
A
Granite
3
Q
Two cleavage
A
Feldspar
4
Q
One cleavage
A
Muscovite
5
Q
Three cleavage
A
Halite
6
Q
How many years is quaternary
A
2.58 million years
7
Q
How old is the earth
A
4.5 billion years
8
Q
Oceanic crust
A
Thinner, more dense homogenous, young
9
Q
Continental crust
A
Thicker, less dense, heterogeneous, old
10
Q
Rayleigh wave
A
Particles move in rotating fashion
11
Q
Love wow
A
Fastest, moves ground side-to-side horizontally
12
Q
Surface waves
A
Through earths crust, low frequency than body waves cause earthquake damage
13
Q
Shearwave
A
Move through solid rock, move perpendicular to direction of wave propagation
14
Q
Body waves
A
Move through solid rock and fluids, same direction as wave propagation
15
Q
Magnetite
A
Ferromagnetic
