As they are pulled back up, these tubes are sealed at either end so that a small plug of undisturbed mud is hauled up to the ship- can you see the tubes with sediment in them below?
|Valley of Death- Chatham Rise Sediment|
|Southern Ocean Sediment|
|Marine Worm from the Chatham Rise- put in a jar with a water proof label saying where and when. (Lid labelled as well)|