Fundamentals of Geology Exam
Questions WITH Correct Answers
100% PASS
When water contacts pyrite at the earth's surface, the runoff is commonly: -
CORRECT ANSWER-Acidic
In an eolian sand aquifer, hydraulic conductivity would be expected to generally: -
CORRECT ANSWER-Be uniform
Which of the following pairs likely would be composed of sediments with
DIFFERENT grain size and sorting characteristics? - CORRECT ANSWER-
Outwash 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? - CORRECT
ANSWER-34,848,000
The scale for describing the effects or damage caused by an earthquake at a given
geographic location is called the: - CORRECT ANSWER-Modified Mercalli scale
,Which statement best describes the effect of diagenesis on the overall quality of an
oil/gas reservoir? - CORRECT ANSWER-Diagenesis may enhance or diminish
reservoir quality
The rate of production from a subsurface reservoir is most directly related to: -
CORRECT ANSWER-Permeability
What is the best radiometric dating technique to determine the age difference
between two Miocene-age volcanic ash deposits separated by 500 feet vertically? -
CORRECT ANSWER-Potassium-Argon
What geophysical method would generally be most effective to map deeply buried
(1500' deep) bedrock pediments? - CORRECT ANSWER-Seismic reflection
A groundwater model is considered calibrated when: - CORRECT ANSWER-
Hydraulic heads and fluxes reproduce the system modeled within an acceptable
tolerance
A rock described as argillaceous: - CORRECT ANSWER-Is clay-rich
The creation of new oceanic crust is balanced by: - CORRECT ANSWER-An
equal amount of old ocean crust being subducted
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, When collecting duplicate samples to validate the quality of the laboratory results,
the geologist should always: - CORRECT ANSWER-Be 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? - CORRECT ANSWER-The 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: - CORRECT ANSWER-2x
A topographic map shows several circular depressions in a limestone region. What
are these features called? - CORRECT ANSWER-Dolines
A cross-stratified sand lens that contains thin streaks of mud in the ripple troughs
is called: - CORRECT ANSWER-Flaser bedding
In which of the following areas are the largest volumes of andesite lava commonly
extruded? - CORRECT ANSWER-Where oceanic lithosphere is subducting
beneath continental crust
Which of the following safety factor (SF) values for slope stability shows that a
slope is considered stable: - CORRECT ANSWER-Greater than one (1)
The effects of solution during diagenesis can be seen in: - CORRECT ANSWER-
Stylolites
Questions WITH Correct Answers
100% PASS
When water contacts pyrite at the earth's surface, the runoff is commonly: -
CORRECT ANSWER-Acidic
In an eolian sand aquifer, hydraulic conductivity would be expected to generally: -
CORRECT ANSWER-Be uniform
Which of the following pairs likely would be composed of sediments with
DIFFERENT grain size and sorting characteristics? - CORRECT ANSWER-
Outwash 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? - CORRECT
ANSWER-34,848,000
The scale for describing the effects or damage caused by an earthquake at a given
geographic location is called the: - CORRECT ANSWER-Modified Mercalli scale
,Which statement best describes the effect of diagenesis on the overall quality of an
oil/gas reservoir? - CORRECT ANSWER-Diagenesis may enhance or diminish
reservoir quality
The rate of production from a subsurface reservoir is most directly related to: -
CORRECT ANSWER-Permeability
What is the best radiometric dating technique to determine the age difference
between two Miocene-age volcanic ash deposits separated by 500 feet vertically? -
CORRECT ANSWER-Potassium-Argon
What geophysical method would generally be most effective to map deeply buried
(1500' deep) bedrock pediments? - CORRECT ANSWER-Seismic reflection
A groundwater model is considered calibrated when: - CORRECT ANSWER-
Hydraulic heads and fluxes reproduce the system modeled within an acceptable
tolerance
A rock described as argillaceous: - CORRECT ANSWER-Is clay-rich
The creation of new oceanic crust is balanced by: - CORRECT ANSWER-An
equal amount of old ocean crust being subducted
COPYRIGHT ©️ 2025 ALL RIGHTS RESERVED
, When collecting duplicate samples to validate the quality of the laboratory results,
the geologist should always: - CORRECT ANSWER-Be 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? - CORRECT ANSWER-The 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: - CORRECT ANSWER-2x
A topographic map shows several circular depressions in a limestone region. What
are these features called? - CORRECT ANSWER-Dolines
A cross-stratified sand lens that contains thin streaks of mud in the ripple troughs
is called: - CORRECT ANSWER-Flaser bedding
In which of the following areas are the largest volumes of andesite lava commonly
extruded? - CORRECT ANSWER-Where oceanic lithosphere is subducting
beneath continental crust
Which of the following safety factor (SF) values for slope stability shows that a
slope is considered stable: - CORRECT ANSWER-Greater than one (1)
The effects of solution during diagenesis can be seen in: - CORRECT ANSWER-
Stylolites
