The color of _______________ is caused by precipitation of fine-grained metal sulfide minerals.
A) black spitters
B) black smokers
C) black chimneys
D) black vents
Correct Answer:
Verified
Q25: Hydrothermal vein deposits:
A) form when dissolved metals
Q26: Coal reserves are thought to be sufficient
Q27: Salts (such as halite) that are left
Q28: Bauxite is an example of a:
A) disseminated
Q29: The major fuel in nuclear power plants
Q31: Tar sands are permeated with _.
A) bitumen
B)
Q32: Energy sources, such as sunlight and wind,
Q33: Placer ore deposits form:
A) whenever metal-bearing solutions
Q34: To form an oil reservoir, cap rocks
Q35: Crystal settling from magma occurs:
A) whenever metal-bearing
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