Placer ore deposits form:
A) whenever metal-bearing solutions encounter changing conditions that cause precipitation.
B) when magma cools slowly deep underground.
C) when landlocked lakes dry up.
D) when streams or waves sort sediment according to density.
Correct Answer:
Verified
Q28: Bauxite is an example of a:
A) disseminated
Q29: The major fuel in nuclear power plants
Q30: The color of _ is caused by
Q31: Tar sands are permeated with _.
A) bitumen
B)
Q32: Energy sources, such as sunlight and wind,
Q34: To form an oil reservoir, cap rocks
Q35: Crystal settling from magma occurs:
A) whenever metal-bearing
Q36: Petroleum migrates from the _ into the
Q37: _ is formed as a residual deposit
Q38: A nonmetallic resource is:
A) an ore.
B) a
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