Cruise Summary

Depart from Bergen, Norway - 15 July 2005
........
Return to Tromso, Norway - 4 August 2005


Basic cruise objectives


The G.O. Sars team

This expedition is part of a larger project to study the DEEP BIOSPHERE of the ocean crust – the amazing communities of microbes making a living in the Earth’s basement. 


SEM image of a Microbe
The deep biosphere is a hot topic – and not just because the deeper you dig into Earth’s crust, the hotter it gets!  In particular, the microbes making a living in the volcanic environment of Earth’s ocean ridge (underwater mountain chain) are raising the eyebrows of ocean scientists worldwide ...  


What might we learn from those microbes? 
What exactly is an ocean ridge?
And how hot is it down there?