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Which of the following events allows rocks on either side of a fault to rebound elastically, causing an earthquake?

Friction along the fault plane is overcome.

What is peridotite?

the rock making up the mantle

What causes melting of material under divergent plate boundaries?

decompression of rocks

What type of stress is most directly associated with transform faults?

shear stress

Earth's magnetic field switches polarity at irregular time intervals. (T or F)

True

How are elastic rebound and elastic deformation different?

Elastic deformation causes objects to bend, whereas rebound causes objects to return to their original shape.

What is a fault?

fractures along which rocks move

What type of stress is associated with divergent boundaries?

tensional stress

What type of stress is most directly associated with convergent boundaries?

compressional stress

At which type of tectonic setting would you expect the development of composite volcanoes?

an oceanic plate subducted beneath a continental plate

Explain elastic rebound

When rocks can store energy until the stress becomes too much and they break

Which type of force is responsible for normal strike-slip formation?

shear force

Which type of fault has NO vertical motion of rocks associated with it?

strike-slip fault

Which of the following events allows rocks on either side of a fault to rebound elastically, causing an earthquake?

Friction along the fault plane is overcome.

Which type of force is responsible for reverse fault formation?

compressional force

What is peridotite?

the rock making up the mantle

Where are continental volcanic arcs found?

on the overriding plate near a subduction zone

What is a mantle plume?

a circular column of magma that rises from deep within Earth

What is the magnitude of an earthquake?

The amount of energy released as the rock breaks

Which type of force is responsible for normal fault formation?

tensional force

The force pushing viscous magma to extrude during an eruption comes from what?

volatiles

What type of stress is most directly associated with transform faults?

shear stress

How are continental rift magmas and continental arc magmas different?

Continental arc magmas are more viscous than continental rift magmas.

Thermodynamics

Thermal energy-energy of vibrating atoms
Heat- total thermal energy of all the atoms in a substance
Temperature-the average thermal energy of all the atoms in substance
Entropy- amount of disorder/disorganization in a system
Melt-increase the entropy

At which type of tectonic setting would you expect the development of shield volcanoes?

mantle plumes

What are seismic waves?

vibrations caused by an earthquake

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