Royal Holloway U London, Geology Dept Egham Hill, Egham, TW20 0EX, United Kingdom ; Statoil Hydro, Forushagen, Stavanger, NO-4035, Norway
University of Rochester, Earth and Environmental Sciences, Rochester, NY 14627, United States ; Royal Holloway U London, Geology Dept Egham Hill, Egham, TW20 0EX, United Kingdom
Royal Holloway U London, Geology Dept Egham Hill, Egham, TW20 0EX, United Kingdom
Royal Holloway U London, Geology Dept Egham Hill, Egham, TW20 0EX, United Kingdom