ASBOG Practice Questions and answers
verified to pass 2025/2026
3. Which is the best radiometric dating Potassium-Argon
tech- nique to determine the age
difference be- tween two Miocene-
age volcanic ash de- posits
separated by 500 feet vertically?
an equal amount of old ocean crust bein
4. The creation of new oceanic crust subducted
is bal- anced by:
sillimanite
5. Which of the following is the high-
temper- ature polymorph of an
aluminosilicate min- eral (Al2SiO5)?
where oceanic lithosphere is subducting
6. In which of the following areas are
the
largest volumes of andesite lava commonly beneath continental crust
extruded?
7. Which of the following is NOT 10. Chemical weathering
commonly a natural constituent of of muscovite could
groundwater? result in the
formation of:
8. What plagioclase feldspar would
you ex- pect to find in gabbro?
9. Solid solution occurs between what
two minerals?
1/
21
, ASBOG Practice Questions and answers
verified to pass 2025/2026
nitrate
1 When water contacts pyrite at the earth's aci
tremolite - ferroactinolite
. surface, the runoff is commonly: dic
anorthite
2.Which of the following can be used to deter- Thermal Ionization
kaolinite
Mass Spectrometry
mine the isotopic composition of a sample? (TIMS)
2/
21
, ASBOG Practice
Questions
11. Magma is produced by inch = 20 feet (1:240)
decompression melting in which What percentage of
tectonic setting? enlargement or
reduction is needed
12. What mineral is typical of
metamorphic rocks within the
blueschist facies?
13. You find that in developing a GIS
product with several layers of
information, there is an apparent
conflict between the 1975
USGS topographic map data layer and
a re- cently acquired geologic data
layer collect- ed with GPS locational
control. The problem is likely to be:
14. The horizontal scale of a cross
section is 1:24,000; the vertical scale
is 1 inch equals 1000 feet. The
vertical exaggeration is:
15. What is the highest elevation on this
topo- graphic map?
16. You have received a map from a client.
You determine a 150-foot property
line mea- sures 3 inches on the
map. You need a fi- nal scale at 1
3/
21
verified to pass 2025/2026
3. Which is the best radiometric dating Potassium-Argon
tech- nique to determine the age
difference be- tween two Miocene-
age volcanic ash de- posits
separated by 500 feet vertically?
an equal amount of old ocean crust bein
4. The creation of new oceanic crust subducted
is bal- anced by:
sillimanite
5. Which of the following is the high-
temper- ature polymorph of an
aluminosilicate min- eral (Al2SiO5)?
where oceanic lithosphere is subducting
6. In which of the following areas are
the
largest volumes of andesite lava commonly beneath continental crust
extruded?
7. Which of the following is NOT 10. Chemical weathering
commonly a natural constituent of of muscovite could
groundwater? result in the
formation of:
8. What plagioclase feldspar would
you ex- pect to find in gabbro?
9. Solid solution occurs between what
two minerals?
1/
21
, ASBOG Practice Questions and answers
verified to pass 2025/2026
nitrate
1 When water contacts pyrite at the earth's aci
tremolite - ferroactinolite
. surface, the runoff is commonly: dic
anorthite
2.Which of the following can be used to deter- Thermal Ionization
kaolinite
Mass Spectrometry
mine the isotopic composition of a sample? (TIMS)
2/
21
, ASBOG Practice
Questions
11. Magma is produced by inch = 20 feet (1:240)
decompression melting in which What percentage of
tectonic setting? enlargement or
reduction is needed
12. What mineral is typical of
metamorphic rocks within the
blueschist facies?
13. You find that in developing a GIS
product with several layers of
information, there is an apparent
conflict between the 1975
USGS topographic map data layer and
a re- cently acquired geologic data
layer collect- ed with GPS locational
control. The problem is likely to be:
14. The horizontal scale of a cross
section is 1:24,000; the vertical scale
is 1 inch equals 1000 feet. The
vertical exaggeration is:
15. What is the highest elevation on this
topo- graphic map?
16. You have received a map from a client.
You determine a 150-foot property
line mea- sures 3 inches on the
map. You need a fi- nal scale at 1
3/
21
