Geology

5 Written Questions

1. Basalt lava, low viscosity, Non-violent eruptions.
2. It represents the largest reservoir of fresh water available to humans, it is also important as an erosional agent.
3. Mostly located in the ring of fire
4. Permeable rock strata or sediment that transmit groundwater freely.
5. The majority of magma is intrustive

5 Matching Questions

1. What is elastic behavior?
2. What is the Zone of aeration?
3. What controls Viscosity?
4. What is a sill?
5. Are eruptions of stratovolcanoes mostly violent explosions or non-violent?

1. a The layer above the water table where pore spaces contain both air and water.
2. b A deformation where change is recoverable. Like a rubber band, the rock will return to nearly its original size and shape.
3. c Silica content. The higher the SiO2, the more viscous.
4. d They are violent eruptions that eject huge quantities of pyroclastic material.
5. e An intrusion that is nearly horizontal and forms when magma exploits weaknesses between sedimentary beds.

5 Multiple Choice Questions

1. Produced by the accumulation of fluid basaltic lavas and exhibit the shape of a shield.
   1. What are Stratovolcanoes?
   2. What are Lahars?
   3. What are strike-slip faults?
   4. What are shield volcanos?
2. The upper limit of the Zone of saturation.
   1. What is the water table?
   2. What is Pahoehoe lava?
   3. What is an earthquake?
   4. What is a sill?
3. The percentage of the total volume of rock or sediment that consists of pore spaces.
   1. What is stress?
   2. What is a focus?
   3. What is a dike?
   4. What is porosity?
4. Surface waves and Body waves
   1. What are the two types of seismic waves?
   2. What are the two types of body waves?
   3. What is the Zone of aeration?
   4. What are the two parts of a pyroclastic flow?
5. Dip-slip faults in which the hanging wall block moves up relative to the footwall block. Form from compressional stress. Accommodates horizontal shortening of the crust.
   1. What are strike-slip faults?
   2. What are aquifers?
   3. What are reverse faults?
   4. What are normal faults?

5 True/False Questions

1. What does magnitude measure? → The intensity and the damage of earthquakes.

   True        False

2. What is an anticline? → A down-fold or trough

   True        False

3. What is the Zone of saturation? → Water that is not held as soil moisture percolates downward until it reaches a zone where all of the open spaces in sediment and rock are completely filled with water.

   True        False

4. What is stress? → The origin of an earthquake, also known as the hypocenter

   True        False

5. What are the two types of body waves? → P-waves and S waves.

   True        False