Initial Reports Volume 192 Chapter 3, Table 5. Depth-age summary of Cretaceous stages and Cenozoic epochs, Hole 1183A. Depth (mbsf) Stage/Epoch 330.79-432.10 middle Miocene 439.97-444.78 lower Miocene Core gap 757.14-761.98 upper Oligocene 773.73-838.95 lower Oligocene 839.95-857.06 upper Eocene 866.69-924.40 middle Eocene 927.36-936.99 lower Eocene 943.91-982.37 middle-upper Paleocene 985.00-987.37 lower Paleocene 987.40-1040.56 Maastrichtian 1042.71-1089.90 Campanian 1090.05-1090.30 Santonian 1090.35-1090.44 upper Coniacian 1090.48-1108.29 upper Albian 1111.57-1121.12 lower Albian 1121.40-1128.64 upper Aptian 1130.13-1130.74 lower Aptian