Questions about Geology

Geology is the scientific study of the Earth, including its composition, structure, processes, and history. This fascinating field encompasses a wide range of disciplines, including mineralogy, paleontology, seismology, and more. Geology trivia questions are a great way to test your knowledge of this important subject and to learn more about the fascinating world that lies beneath our feet.

 

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#1. U-235, the isotope of uranium commonly utilized in nuclear power plants, is

Rare even in uranium oxide deposits, and thus usable reactor fuel must be enriched with respect to this isotope

Heavier than the other well-known isotope of uranium

The most common of the naturally occurring isotopes of that element

#2. Seismic rays follow curve paths in Earth’s interior due to

The arcuate nature of trenches at subduction zones, where most earthquakes are generated

The spheroidal nature of the Earth itself

The influence of abrupt changes in density associated with major contrasts in rock type at depth

Gradual changes in density with depth beneath the surface

#3. Surface waves

Produce most of the damage to buildings during earthquakes

Travel more rapidly than body waves

Are the first waves initially produced in an earthquake

Are the first waves to arrive at a seismograph station after an earthquake

#4. Shale, salt, and fine-grained limestone that is not fractured are all good candidates to serve as ____________ within an oil field.

Either a source or reservoir rock

A source rock

A reservoir rock

A seal rock

#5. Earthquake waves which pass through the interior of Earth are termed

Surface waves

Interior waves

Body waves

R-waves

#6. Seismologist know that the outer core is liquid due to the presence of

C- low-velocity zone (LVZ) at a depth of 200 km where about 2% of the rock may be melted

Both D and B

B- P-wave "shadow" zone for seismometers situated between 104° and 140° from earthquake hypocenters

D- S-wave "shadow" zone for seismometers situated on the far side of the Earth from earthquake hypocenters

A- high-velocity zone for seismic waves traveling in the outer core

#7. If, during an earthquake, a hanging wall slides upward relative to a footwall, the fault is termed ____________ if the fault is steep (closer to vertical than horizontal)

Normal

Thrust

Abnormal

Reverse

#8. The first ores which were widely smelted by humans to produce metal were those of

Copper

Bronze

Iron

Gold

#9. Chemically, oil and gas are both

Carbonate minerals

Carbohydrates

Pure forms of carbon

Hydrocarbons

#10. As suggested by the name “earthquake” the release of seismic energy as waves is unique to our planet and has not been found to occur in any other body of our solar system.

False

True

#11. Which mineral resources are considered renewable?

No mineral resources are renewable

Iron and aluminum ores

Nonmetallic minerals only

Base metals only

#12. The United States has active mines within its boundaries that are sufficient to maintain a steady supply of all strategically important metals.

False

True

#13. Long-term prediction of earthquake behavior

Includes the notion of seismic gaps—places where an earthquake is “overdue

All options

Is based on past earthquake activity

Works on the principle that zones of past seismicity will be active in the future

#14. Which fossil fuel, oil or natural gas, is found at greater depths within Earth, and why?

Oil, because it is more stable at low pressures

Gas, because it is more stable at high temperatures

Gas, because it is more stable at low pressures

Oil, because it is more stable at high temperatures

#15. Earthquakes that occur in a band called a ____________ can be used to track the motion of subducted oceanic lithosphere

Wegener belt

Wadati-Benioff zone

Trench

Seismic gap

#16. Commercial ore deposits are most likely to be found associated with

Igneous rocks

Blueschists

Thick basinal sandstones and shales

Evaporite sequences

#17. Which ore minerals are commonly found in ancient sedimentary deposits that are 2 billion years old?

Copper sulfides

Aluminum oxides

Copper oxides

iron oxides

#18. Mineral-rich veins within plutons, deposited by hot groundwater into fractures within the rock, characterize

Sedimentary deposits

Hydrothermal deposits

Residual mineral deposits

Placer deposits

#19. The oil window (temperature range wherein organic matter is converted to petroleum without destroying it) lies between

100 to 250 °C

90 to 160 °C

30 to 60 °C

200 to 350 °C

#20. The word “metamorphism” literally refers to

A concept in existential philosophy.

Change in the chemical composition of a rock.

Moving toward the middle

Change

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