1. Unit 8 review
Geosphere dynamics

2. Composite
a large volcanic crater, typically one formed by a major eruption leading to the collapse of the mouth of the volcano

3. Factors that affect the temperature at which magma forms
Cauldera
Factors that affect the temperature at which magma forms

4. Composition, pressure, water content
Types of plutons

5. batholiths, stocks, sills, dikes, and laccoliths
Movement occurs along fractures in rocks when…

6. …stress overcomes the strength of the rocks involved
The strain/stress which causes a material to twist

7. P-waves and S-waves are both…
Shear
P-waves and S-waves are both…

8. The epicenter is located…
Body waves
The epicenter is located…

9. …Directly above the focus
The strain which causes a material to pull apart

10. the point of failure where the waves originate
Tension
the point of failure where the waves originate

11. The part of the seismometer does not shake during an earthquake
The focus
The part of the seismometer does not shake during an earthquake

12. fault that forms as a result of horizontal compression
The pen and pendulum
fault that forms as a result of horizontal compression

13. Reverse fault
A numerical scale of earthquake magnitude that takes into account the size of the fault rupture and energy released

14. Moment Magnitude scale
Largest type of pluton

15. The San Andreas Fault, a result of horizontal shear is a ___________
Batholith
The San Andreas Fault, a result of horizontal shear is a ___________

16. Tabular (flat) pluton parallel to the rock it intrudes
Strike-slip fault
Tabular (flat) pluton parallel to the rock it intrudes

17. Waves that arrive first due to their push-pull direct movement
Sill
Waves that arrive first due to their push-pull direct movement

18. P-waves
Scale that measures the shaking of the ground and power of the earthquake

19. Waves that arrive second due to their side-to-side motion
Richter scale
Waves that arrive second due to their side-to-side motion

20. S-waves
The largest volcano that is mostly composed of basaltic lava and forms a big, flatish shape

21. Factor that causes magma to be more explosive
Shield volcano
Factor that causes magma to be more explosive

22. The slowest earthquake wave
Silica content
The slowest earthquake wave

23. A small, but explosive volcano often around bigger volcanoes
Surface waves
A small, but explosive volcano often around bigger volcanoes

24. Time between the arrival of the p-wave and s-wave
Cinder-cone volcano
Time between the arrival of the p-wave and s-wave

25. Type of magma that tends to be less explosive
S-p interval
Type of magma that tends to be less explosive

26. Mafic/basaltic
A medium sized volcano that forms in layers of explosions and lava flows