Plate Tectonics
Earthquakes
Chapter 7
Geologic Time
Random
100
Super continent. The breaking apart of continents about 200 million years ago.
What is Pangaea?
100
energy released in the form of waves
What is focus?
100
two types of basaltic lava flows.
What is paheohoe and aa?
100
Landscape developed by catastrophes.
What is Catastrophism?
100
Thinner, heavier, and younger
What is oceanic crust?
200
Crust is created. example: mid-ocean ridge
What is Divergent?
200
Build up of stress and strain. mechanism for earthquakes.
What is Elastic Rebound?
200
Surface opening connected to the magma chamber.
What is vent?
200
The present is the key to the past.
What is uniformitarianism?
200
Travels through solids, liquids, and gas. Push pull motion
What is primary waves?
300
Crust coming together. most complicated.
What is convergent?
300
Travels through the outer part of the Earth. It creates the most destruction.
What is Surface waves?
300
Built from ejected lava. example: Paracutin
What is cinder cone?
300
A piece of rock that is enclosed within another rock.
What is inclusion?
300
Downfolded or troughs of rock layers.
What is syncline?
400
Crust isn't created nor destroyed
What is transform fault?
400
Destruction from seismic vibrations.
What is ground shaking, liquefaction, tsunamis, landslides, ground subsidence, and fire?
400
Resistant vents left long after volcano is extinct.
What is volcanic neck?
400
3 types of radioactive decay
What is alpha emission, beta emission, and electron capture?
400
Largest type of volcano. EX: mauna loa
What is shield volcano?
500
one descends beneath the other. The older one subducts. Creates deep sea trenches.
What is oceanic-oceanic?
500
The three types of dip slip.
What is normal, compression, and thrust?
500
Discordant, tabular and pluton
What is dike?
500
The Eon in which we are currently living in
What is Phanerozoic?
500
An unstable radioactive isotope
What is parent?
M
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