Podcast
Questions and Answers
What is the name of the sunken continent mapped by scientists in the South Pacific?
What is the name of the sunken continent mapped by scientists in the South Pacific?
- Atlantis
- Pangaea
- Zealandia (correct)
- Lemuria
How many square miles is Zealandia?
How many square miles is Zealandia?
- 700,000 square miles
- 500,000 square miles
- 3.5 million square miles
- 1.9 million square miles (correct)
Who revealed the existence of Zealandia seven years ago?
Who revealed the existence of Zealandia seven years ago?
- Geologist from the University of Otago
- James Scott
- Maria Seton
- Nick Mortimer and colleagues (correct)
What is New Zealand considered to be now?
What is New Zealand considered to be now?
What aided geologists in revealing the extent of Zealandia?
What aided geologists in revealing the extent of Zealandia?
According to Maria Seton, what is Zealandia?
According to Maria Seton, what is Zealandia?
What method did the researchers use to separate non-magnetic minerals from the dredged up granite and sedimentary samples?
What method did the researchers use to separate non-magnetic minerals from the dredged up granite and sedimentary samples?
What is the significance of the zircon crystals found in the granite samples?
What is the significance of the zircon crystals found in the granite samples?
What process do uranium atoms undergo within the zircon crystals over time?
What process do uranium atoms undergo within the zircon crystals over time?
Which method did the team use to obtain a more complete picture of Zealandia's geology?
Which method did the team use to obtain a more complete picture of Zealandia's geology?
What was the main purpose of collecting zircon crystals from the granite samples?
What was the main purpose of collecting zircon crystals from the granite samples?
What are the rocks dredged up from Zealandia typically processed through before being studied under a microscope?
What are the rocks dredged up from Zealandia typically processed through before being studied under a microscope?
What do the zircon crystals reveal about the age of Zealandia's granites?
What do the zircon crystals reveal about the age of Zealandia's granites?
'Mortimer holds up a fist-size, splotchy, gray rock—a granite pulled from the team’s 2016 voyage to the northern portion of Zealandia.' What information does this provide about the granite?
'Mortimer holds up a fist-size, splotchy, gray rock—a granite pulled from the team’s 2016 voyage to the northern portion of Zealandia.' What information does this provide about the granite?
'The holes would reveal bits of information about the statue, similar to the samples taken of Zealandia, but they could only tell you so much.' What does this analogy convey about the samples taken of Zealandia?
'The holes would reveal bits of information about the statue, similar to the samples taken of Zealandia, but they could only tell you so much.' What does this analogy convey about the samples taken of Zealandia?
What is the role of magnetic field anomalies in studying Zealandia's geology?
What is the role of magnetic field anomalies in studying Zealandia's geology?
