Podcast
Questions and Answers
What is the name of the sunken continent beneath the South Pacific?
What is the name of the sunken continent beneath the South Pacific?
- Mu
- Zealandia (correct)
- Lemuria
- Atlantis
How was Zealandia mapped by scientists?
How was Zealandia mapped by scientists?
- Using satellite images
- By studying ancient texts
- By piecing together rock samples with magnetic maps (correct)
- Through ground-penetrating radar
Who revealed the existence of Zealandia seven years ago?
Who revealed the existence of Zealandia seven years ago?
- James Scott
- Maria Seton
- Nick Mortimer and colleagues (correct)
- John Smith
What is the size of Zealandia?
What is the size of Zealandia?
According to geologist James Scott, what is New Zealand actually?
According to geologist James Scott, what is New Zealand actually?
Who works for the New Zealand research institution GNS Science?
Who works for the New Zealand research institution GNS Science?
What method did the researchers use to separate the non-magnetic minerals from the granite samples?
What method did the researchers use to separate the non-magnetic minerals from the granite samples?
What do the zircon crystals contain that helps scientists determine their age?
What do the zircon crystals contain that helps scientists determine their age?
How long ago did the magma in Zealandia granites tend to date to?
How long ago did the magma in Zealandia granites tend to date to?
What method did the team use to get a more complete picture of Zealandia's geology?
What method did the team use to get a more complete picture of Zealandia's geology?
What is locked within the crystalline structure of the zircon crystals?
What is locked within the crystalline structure of the zircon crystals?
What type of element is uranium found in the zircon crystals?
What type of element is uranium found in the zircon crystals?
What allows some of the bits of granite to float and others to sink during the separation process?
What allows some of the bits of granite to float and others to sink during the separation process?
What did the researchers dredge up during the expedition to Fairway Ridge?
What did the researchers dredge up during the expedition to Fairway Ridge?
What is the size of the zircon crystals that the scientists pick out from the remaining material?
What is the size of the zircon crystals that the scientists pick out from the remaining material?
What analogy does Seton use to explain the information revealed by the samples taken of Zealandia?
What analogy does Seton use to explain the information revealed by the samples taken of Zealandia?
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