https://youtu.be/qECx_iQi4s4?si=BkTqYnZizDMNBB9-
Sampling sediment from an under-ice lake
4.03
USA
https://youtu.be/CbmXYH18l3A?si=S5HDytBcuD5lxGRY
Drilling back a million years
7.17
Australia
Beryllium-10
https://www.youtube.com/watch?v=Bc7Ry1Vf274
Ocean sediments
Switzerland / Spain
4.10
https://youtu.be/j6exbT5JgiI?si=g4b-cFhoq9RviwMm
Lecture on ratios of O16 and O18
And how they identify periods of warming and cooling
USA
UST Geology
6.07
https://www.facebook.com/share/v/1MWTnvvrmJ/
Collecting marine sediment
New Zealand / Italy
1.50
Bethany Behrens, a PhD student working at AORI in Japan, uses tiny traces of the isotope Beryllium-10 in marine sediment.
Ocean sediment samples carrying records of events up to half a million years ago.