Anya J Crocker¹, Bernhard David Naafs², Thomas Westerhold³, Rachael Helen James¹, Matthew J Cooper¹, Ursula Roehl³, Richard Pancost², Colin Osborne⁴, David John Beerling⁴ and Paul A Wilson¹, (1)University of Southampton, Ocean and Earth Science, Southampton, United Kingdom, (2)Cabot Institute, University of Bristol, Organic Geochemistry Unit, School of Chemistry, Bristol, United Kingdom, (3)MARUM - University of Bremen, Bremen, Germany, (4)University of Sheffield, Animal and Plant Sciences, Sheffield, United Kingdom