Project overview Devonian mass extinction study based on the Cantabrian Mountain sections, northern Spain Staff Other researchers Professor John Marshall Professor Connect with John Email: jeam@soton.ac.uk Collaborating research institutes, centres and groups Palaeoceanography and Palaeoclimate We work all around the world to understand how Earth's climate system works naturally. We use this to predict the ways in which it will respond to human-driven change in the future. Research outputs