Unearth Earth's Ancient Crust and Seafloor
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Questions and Answers

Which of the following is the correct age of the Acasta Gneiss?

  • 4.01 Ga (correct)
  • 340 Ga
  • 340 Ma
  • 4.01 Ba

What dating technique was used to determine the age of the Acasta Gneiss?

  • Potassium-argon dating
  • Zircon dating (correct)
  • Radiocarbon dating
  • Carbon dating

What is the age of the oldest seafloor found in the Mediterranean Sea?

  • 4.01 Ba
  • 340 Ga
  • 4.01 Ga
  • 340 Ma (correct)

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