Fundamentals of Geology Exam
Questions & Answers
When water contacts pyrite at the earth's surface, the runoff is commonly: - ANSWERSAcidic
In an eolian sand aquifer, hydraulic conductivity would be expected to generally: - ANSWERSBe
uniform
Which of the following pairs likely would be composed of sediments with DIFFERENT grain size
and sorting characteristics? - ANSWERSOutwash plain - end moraine
It has been determined that a prospective strippable reserve contains 1000 acres (1 acre =
43,560 sq. ft.) of lignite in beds averaging 20 feet in thickness. Assume specific gravity of 1.28
(80 lbs/ft3). What is the reserve in tons? - ANSWERS34,848,000
The scale for describing the effects or damage caused by an earthquake at a given geographic
location is called the: - ANSWERSModified Mercalli scale
Which statement best describes the effect of diagenesis on the overall quality of an oil/gas
reservoir? - ANSWERSDiagenesis may enhance or diminish reservoir quality
The rate of production from a subsurface reservoir is most directly related to: -
ANSWERSPermeability
What is the best radiometric dating technique to determine the age difference between two
Miocene-age volcanic ash deposits separated by 500 feet vertically? - ANSWERSPotassium-
Argon
, What geophysical method would generally be most effective to map deeply buried (1500' deep)
bedrock pediments? - ANSWERSSeismic reflection
A groundwater model is considered calibrated when: - ANSWERSHydraulic heads and fluxes
reproduce the system modeled within an acceptable
tolerance
A rock described as argillaceous: - ANSWERSIs clay-rich
The creation of new oceanic crust is balanced by: - ANSWERSAn equal amount of old ocean
crust being subducted
When collecting duplicate samples to validate the quality of the laboratory results, the geologist
should always: - ANSWERSBe sure that the duplicates cannot be identified by the lab
A stream crosses a strike-slip fault with no deviation in its course. Which of the following
statements must be true? - ANSWERSThe stream crossed the fault since the last fault
movement
The horizontal scale of a cross-section is 1:24,000; the vertical scale is 1 inch equals 1000 feet.
The vertical exaggeration is: - ANSWERS2x
A topographic map shows several circular depressions in a limestone region. What are these
features called? - ANSWERSDolines
A cross-stratified sand lens that contains thin streaks of mud in the ripple troughs is called: -
ANSWERSFlaser bedding
Questions & Answers
When water contacts pyrite at the earth's surface, the runoff is commonly: - ANSWERSAcidic
In an eolian sand aquifer, hydraulic conductivity would be expected to generally: - ANSWERSBe
uniform
Which of the following pairs likely would be composed of sediments with DIFFERENT grain size
and sorting characteristics? - ANSWERSOutwash plain - end moraine
It has been determined that a prospective strippable reserve contains 1000 acres (1 acre =
43,560 sq. ft.) of lignite in beds averaging 20 feet in thickness. Assume specific gravity of 1.28
(80 lbs/ft3). What is the reserve in tons? - ANSWERS34,848,000
The scale for describing the effects or damage caused by an earthquake at a given geographic
location is called the: - ANSWERSModified Mercalli scale
Which statement best describes the effect of diagenesis on the overall quality of an oil/gas
reservoir? - ANSWERSDiagenesis may enhance or diminish reservoir quality
The rate of production from a subsurface reservoir is most directly related to: -
ANSWERSPermeability
What is the best radiometric dating technique to determine the age difference between two
Miocene-age volcanic ash deposits separated by 500 feet vertically? - ANSWERSPotassium-
Argon
, What geophysical method would generally be most effective to map deeply buried (1500' deep)
bedrock pediments? - ANSWERSSeismic reflection
A groundwater model is considered calibrated when: - ANSWERSHydraulic heads and fluxes
reproduce the system modeled within an acceptable
tolerance
A rock described as argillaceous: - ANSWERSIs clay-rich
The creation of new oceanic crust is balanced by: - ANSWERSAn equal amount of old ocean
crust being subducted
When collecting duplicate samples to validate the quality of the laboratory results, the geologist
should always: - ANSWERSBe sure that the duplicates cannot be identified by the lab
A stream crosses a strike-slip fault with no deviation in its course. Which of the following
statements must be true? - ANSWERSThe stream crossed the fault since the last fault
movement
The horizontal scale of a cross-section is 1:24,000; the vertical scale is 1 inch equals 1000 feet.
The vertical exaggeration is: - ANSWERS2x
A topographic map shows several circular depressions in a limestone region. What are these
features called? - ANSWERSDolines
A cross-stratified sand lens that contains thin streaks of mud in the ripple troughs is called: -
ANSWERSFlaser bedding
