Ore Deposit Questions

Only available on StudyMode
  • Download(s) : 79
  • Published : March 24, 2013
Open Document
Text Preview
Ore Deposit Questions
Chapter 27: Mississippi Valley Type deposits Questions
1. Which geophysical method is/are used in discovering Mississippi Valley Type deposits? A. Airborne Magnetic SurveysC. Resistivity StudiesE. None of the above B. Induced Polarization MethodD. All of the above

2. All are host rocks for MVT deposits except for one.
A. DolostoneC. BrauniteE. None of the above
B. LimestoneD. All of the above
3. In which depth can MVT deposits be found?
A. Shallow DepthC. Great DepthE. None of the above
B. Average DepthD. All of the above
4. Which of the following is the wall rock alteration method used in MVT deposits? A. RecrystallizationC. Hydrothermal BrecciationE. None of the above B. DissolutionD. All of the above

5. Which of the following is a mineral assemblage of MVT deposits? A. ChalcedonyC. TectoliteE. None of the above
B. MarcasiteD. All of the above
6. Which of the following is considered the most important environmental consideration for MVT deposits? A. Copper contentC. Carbonate contentE. None of the above B. Iron Sulfide contentD. All of the above

7. Which of the following is the mining method used in MVT deposits? A. Long wall methodC. Underground room methodE. None of the above B. Pillar methodD. All of the above
8. All are ore processing methods use in MVT deposits except for one. A. PulverizingC. Magnetic SeparationE. None of the above B. FlotationD. All of the above
9. Which country contains the largest amount of MVT deposits? A. North AmericaC. EuropeE. None of the Above
B. North AfricaD. All of the Above
10. Which of the following mineral rarely occurs in MVT deposits? A. DolomiteC. FluoriteE. None of the above
B. SphaleriteD. All of the above
11. The following is/are characteristic of MVT deposits except. A. Platform carbonate sequence deposits C. Deposits are in dolostone E. None of the above B. Ore is epigenetic and stratabound D. All of the above 12. Which of the following is a major commodity of MVT deposits? A. GoldC. IronE. None of the above

B. CopperD. All of the above
13. The following are examples of places where MVT is abundant except for one. A. Tri StateC. Grand CanyonE. None of the above
B. Viburnum TrendD. All of the above
14. The following are examples of exhalative deposits associated with MVT deposits except for one. A. LeadC. BariteE. None of the above
B. ZincD. All of the above
15. A. Salt Diapirs are associated with MVT deposits.
B. Most MVT deposits are surrounded by carbonate rocks.
A. A is true and B is falseC. Both statements are trueE. No conclusion can be drawn B. A is false and B is trueD. Both statement are false
16. The following are nature of ores of MVT deposits except for one. A. Massive replacement zonesC. Disseminated fractures of crystalsE. None of the above B. Open space fillingsD. All of the above

17. Which mining method poses the greatest environmental concern for MVT deposits? A. Smelter ActivitiesC. Acid DrainageE. None of the Above B. Tailings PondsD. Both A and B
18. MVT deposits can be located at the following except for one. A. Fault zoneC. Fold beltsE. None of the above
B. Thrust beltsD. All of the above
19. The following are trace element minerals of MVT deposit except for one. A. SeC. SrE. None of the above
B. SbD. All of the above
20. Significant airborne amounts of the following elements may lead to potential environmental consideration of MVT deposit except for one. A. CadmiumC. ArsenicE. None of the above
B. MercuryD. All of the above
21. Which of the following rock types are mainly found in MVT deposits? A. IgneousC. SedimentaryE. None of the above
B. MetamorphicD. All of the above
22. The following are considered nature of...
tracking img