Podcast
Questions and Answers
What is the primary function of index minerals in metamorphic rocks?
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?
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?
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?
What is the primary natural cause of earthquakes?
Where do earthquakes mostly occur?
Where do earthquakes mostly occur?
Where is the focus of an earthquake located?
Where is the focus of an earthquake located?
What do index minerals in metamorphic rocks indicate?
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 multiplier of energy represented by each unit on the Richter scale?
What is the primary cause of the enormous pressure that leads to earthquakes?
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?
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 name of the device used to measure the strength of an earthquake?
What is the location of the majority of earthquake occurrences?
What is the location of the majority of earthquake occurrences?
Flashcards are hidden until you start studying
