Geology and Environmental Impact: Ni Mining in South Africa
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Questions and Answers

What is the primary reason for nickel being an important metal?

  • Its essential role in making stainless steel (correct)
  • Its contribution to CO2 emissions in mining
  • Its use in batteries for electric cars
  • Its common occurrence in magmatic intrusion deposits

Which mining company is associated with the Sudbury deposit in Canada?

  • Anglo-American
  • BHP Billiton
  • Nornickel
  • Vale Inco (correct)

What has caused an increase in demand and prices for nickel?

  • Its essential role in batteries for electric cars (correct)
  • Discovery of more world-class nickel deposits
  • Decrease in the use of nickel in stainless steel production
  • Use of nickel in the production of CO2-emitting energy sources

Which type of Ni deposits forms by the long-term alteration of Ni-rich rocks?

<p>Laterite deposits (A)</p> Signup and view all the answers

What contributes 15-25% of CO2 emissions in mining?

<p>CO2 produced by the mine (D)</p> Signup and view all the answers

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