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?
How was Zealandia mapped by scientists?
How was Zealandia mapped by scientists?
Who revealed the existence of Zealandia seven years ago?
Who revealed the existence of Zealandia seven years ago?
What is the size of Zealandia?
What is the size of Zealandia?
Signup and view all the answers
According to geologist James Scott, what is New Zealand actually?
According to geologist James Scott, what is New Zealand actually?
Signup and view all the answers
Who works for the New Zealand research institution GNS Science?
Who works for the New Zealand research institution GNS Science?
Signup and view all the answers
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?
Signup and view all the answers
What do the zircon crystals contain that helps scientists determine their age?
What do the zircon crystals contain that helps scientists determine their age?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
What is locked within the crystalline structure of the zircon crystals?
What is locked within the crystalline structure of the zircon crystals?
Signup and view all the answers
What type of element is uranium found in the zircon crystals?
What type of element is uranium found in the zircon crystals?
Signup and view all the answers
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?
Signup and view all the answers
What did the researchers dredge up during the expedition to Fairway Ridge?
What did the researchers dredge up during the expedition to Fairway Ridge?
Signup and view all the answers
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?
Signup and view all the answers
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?
Signup and view all the answers
