Mid-Cenozoic tectonic and paleoenvironmental setting of the central Arctic Ocean - O’Regan, M.; Moran, K.; Backman, J.; Jakobsson, M.; Sangiorgi, F.; Brinkhuis, Henk; Pockalny, Rob; Skelton, Alasdair; Stickley, Catherine; Koc, N.; Brumsack, Hans-Juergen; Willard, Debra (Paleoceanography, 2008)