JC24: Dating volcanoes on the Mid-Atlantic Ridge


Cruise diary

Thursday 29 May 2008

Today was much like yesterday as we are now working our way back down the AVR from north to south doing the TOBI traverses. Watches are continuing as normal, although coffee consumption seems to be increasing exponentially as the week goes on.

There was some excitement at 11 o’clock this morning when the captain announced there were 4 pilot whales off the port side of the ship. After some confusion as to which side that actually was (and Kirsty breaking the land speed record in order to get out of bed and up on deck), we eventually located some spouts and fins in the distance.

Today we have also planned and plotted two more potential Isis dives and Chris Mallows and Tim have begun processing and stitching together the data from the completed TOBI runs, which has so far been extremely good. The science team have also started thinking about which areas of the AVR they’d like to map with Isis. Because the echosounder can only map narrow sections we cannot cover the entire ridge, so it’s very important that the mapping sites are carefully chosen to include all the interesting features.

Roger scrutinises the proposed Isis dives.

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May 2008