Geology Quiz: Metamorphic Rocks and Earthquakes

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What is the primary function of index minerals in metamorphic rocks?

They are found in large quantities

They indicate the presence of oil or gas

They show the range of pressures and temperatures the rock experienced (correct)

They are stable under a wide range of pressures and temperatures

What is the relationship between the units on the Richter scale?

Each unit represents a 30-fold increase in energy (correct)

Each unit represents a 15-fold increase in energy

Each unit represents a 60-fold increase in energy

Each unit represents a 10-fold increase in energy

What type of seismic waves spread in all directions from the focus of an earthquake?

L and T waves

P and T waves

P and S waves (correct)

S and L waves

What is the primary natural cause of earthquakes?

Convection currents in the Earth's mantle Signup and view all the answers

Where do earthquakes mostly occur?

Along the edges of tectonic plates Signup and view all the answers

Where is the focus of an earthquake located?

Within the Earth's lithosphere Signup and view all the answers

What do index minerals in metamorphic rocks indicate?

The range of pressures and temperatures the rock experienced Signup and view all the answers

What is the multiplier of energy represented by each unit on the Richter scale?

What is the primary cause of the enormous pressure that leads to earthquakes?

Tectonic plates rubbing against each other Signup and view all the answers

At what location do the two types of seismic waves originate from?

The focus of the earthquake Signup and view all the answers

What is the name of the device used to measure the strength of an earthquake?

Seismograph Signup and view all the answers

What is the location of the majority of earthquake occurrences?

Along the edges of tectonic plates Signup and view all the answers

Geology Quiz: Metamorphic Rocks and Earthquakes

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Questions and Answers

What is the primary function of index minerals in metamorphic rocks?

What is the relationship between the units on the Richter scale?

What type of seismic waves spread in all directions from the focus of an earthquake?

What is the primary natural cause of earthquakes?

Where do earthquakes mostly occur?

Where is the focus of an earthquake located?

What do index minerals in metamorphic rocks indicate?

What is the multiplier of energy represented by each unit on the Richter scale?

What is the primary cause of the enormous pressure that leads to earthquakes?

At what location do the two types of seismic waves originate from?

What is the name of the device used to measure the strength of an earthquake?

What is the location of the majority of earthquake occurrences?

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