APSC 151 Final Answers 100% Correct Verified 2024 Version
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With respect to a mineral commodity, the definition of the "resource" is:
A) the economic amount of the commodity extracted
B) a local accumulation of a specific mineral that contains that commodity
C) the total number of mineral deposits of that commodity
D) the amount of the commodity that ex...
APSC 151 Final Answers | 100% Correct
| Verified | 2024 Version
With respect to a mineral commodity, the definition of the "resource" is:
A) the economic amount of the commodity extracted
B) a local accumulation of a specific mineral that contains that commodity
C) the total number of mineral deposits of that commodity
D) the amount of the commodity that exists in the Earth
E) the estimated total amount of that commodity that is ultimately economically recoverable - ✔✔E
The process of erosional unloading can produce:
A) Leaching
B) Mud Cracks
C) Pillows
D) Cross-Bedding
E) Joints - ✔✔E
Where is the best place to look for copper porphyry deposits?
A) subducting plate margins
B) shield volcanoes in the middle of plates
C) spreading plate margins
D) transform plate margins
E) kimberlite pipes in the middle of plates - ✔✔A
Which of the following rock types is most likely to be well-sorted?
A) greywacke
B) limestone
C) quartz sandstone
, D) glacial till
E) arkose - ✔✔C
If a litre of sea-water is evaporated, which of the following evaporites that are precipitated will occur in
the greatest amount?
A) gypsum
B) limestone
C) potash
D) halite
E) chert - ✔✔D
The sedimentary rocks immediately below and above an angular uncomformeity record a sequential
history of:
A) erosion-folding-deposition-erosion
B) folding-erosion-deposition-folding
C) deposition-erosion-deposition-folding
D) erosion-deposition-folding-erosion
E) deposition-folding-erosion-deposition - ✔✔C or E
For a slab or block of rock on a potential failure plane, a decrease in which of the following will decrease
the safety factor for sliding?
A)weight of potential failure block
B) angle of potential failure plane angle of friction
D) water pressure on the sliding surface
E) none of the above; they all increase it - ✔✔E
Abundent evidence of fossils of life-forms that make hard protective shells did not appear in the geologic
record until how long ago?
A) 3 billion years
B) 5 billion years
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