1. Which is not a hazard or problem associated with mining? A. acid mine runoff
ID: 294166 • Letter: 1
Question
1. Which is not a hazard or problem associated with mining?
A. acid mine runoff B. tailings piles C. rock bursts D. air pollution E. They are all potential hazards or problems
2. If you're prospecting for metallic ores, you should be paying attention to:
A. assay reports B. magnetic surveys C. gravity surveys D. shows (geolic, not the TV kind). E. All of the above
3. True or False? Hematite, magnetite, and galena, the three most important ores of iron, are all oxides.
4. True or False? The Rosendale Formation of Michigan is the most famous banded-iron formation.
Explanation / Answer
1. E. They are all potential hazards or problems.
Explanation : Acid mine runoff, tailings piles, rock bursts, air pollution due to operations like blasting, drilling, hauling etc in mines are all potential hazards or problems that are associated with mining.
2. B..Magnetic surveys.
Explanation : Metallic minerals such as iron, nickel etc can be prospected by magnetic surveying.
3. False.
Explanation : Hematite (Fe2O3) and Magnetite ( Fe3O4) are oxides but Galena(PbS) is not an oxide mineral. It is lead (II) Sulphide.
4. False .
Explanation : The Negaunee Iron formation of Michigan is a famous BIF unit.
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