Age Neogene Norwegian North Sea Aquifers 5 Pliocene Miocene Aquitanian Oligocene Paleogene Evaluated Aquifers Burdigalian 23 34 Formations Piacenzian Zanclean Messinian Tortonian Serravallian Langhian Chattian Rupelian Priabonian Bartonian Eocene Lutetian Paleocene Thanetian Selandian Ypresian 56 66 Danian Maastrichtian 72 Campanian Late 84 86 90 Turonian 94 113 Cenomanian Cretaceous 100 Santonian Coniacian Albian Aptian Early 125 Barremian 129 Hauterivian 133 Valanginian Knurr Fm. 140 Berriasian 145 Tithonian 152 Late 157 174 Oxfordian Jurassic 164 166 168 170 Hekkingen sand Kimmeridgian Middle Callovian Bathonian Bajocian Aalenian Stø Fm. Stø Fm. Sinemurian Nordmela Fm. Nordmela Fm. Hettangian Tubåen Fm. Tubåen Fm. Norian Fruholmen Fm. Fruholmen Fm. Carnian Snadd Fm. Snadd Fm. Toarcian 183 Early Pliensbachian 191 199 201 Rhaetian 227 Triassic 209 Late 237 242 247 252 Middle Lower Ladinian Anisian Olenekian Induan Kobbe Fm. Kobbe Fm. Klappmys Fm. Havert Fm. Klappmys Fm. Havert Fm.
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