Fun Facts
What is " All Earth"?
Pangaea
the San Andreas fault
transform boundary
Two types of waves used to study earth's interior
P and S waves
Two types of crust
Continental crust
Oceanic crust
Iceland
Seafloor Spreading / Oceanic Divergent
I live on this PHYSICAL LAYER of the earth
lithospehere
Two types of evidence to support PTT found directly on the seafloor
- differing ages of sea rock/crust
- evidence of magnetic reversals
3 types of plate boundaries
convergent, divergent, transform
Himalaya Mountains
Cont. - Cont. Convergent
Proponent of Wilson Cycle
John Tuzo Wilson
Mechanism behind plate movement
convection currents
How many major and minor plate tectonics are there?
major 7
minor 8
Types of evidence used by Wegener to support his Continental Drift Hypothesis (3 of 4)
Fossil Evidence
Climate change evidence
puzzle piece continents
Rock formations are the same
Cascade Mountains
Oceanic - Cont. Convergent
Tectonic plates are able to move because the Earth's lithosphere has a higher strength than the underlying...
asthenosphere
T/F plate tectonics move metres per year
False
Plastic-like layer that earth's plates "float on"
asthenosphere
Proposer of Continental Drift Hypothesis
Alfred Wegener
Tonga Islands and Trench
Oceanic - Oceanic Convergent
Plate Tectonic Movements are generated by the movement of what?
Convection currents in the mantle
What causes Plate tectonics to move?
Magma flowing beneath the Earth
Convection current in the mantle
About how long ago did Pangaea begin to break apart?
245 mya