Geologic Norlex TimeScale www.nhm2.uio.no/stratlex The GEOLOGIC TIME SCALE 2012 Foundation PHANEROZOIC PRECAMBRIAN CENOZOIC MESOZOIC PALEOZOIC Age Epoch Age/Stage Age Age Epoch Age/Stage Age Age Epoch Age/Stage Age Age Era Period Age Eon Period Period Period 0 Holocene Lopin- Changhsingian 254.2 0.78 600 Ediacaran Pleisto- 70 Maastrichtian gian Wuchiapingian Calabrian 1.81 259.8 635 Quat. 72.1 cene Gelasian 2.59 Capitanian 700 Piacenzian Guada- 265.1 Cryogenian Plio- 3.60 lupian Wordian 268.8 Zanclean Campanian Roadian 800 cene 272.3 850 5 5.33 80 275 Kungurian 900 Messinian Late 83.6 279.3 Tonian Santonian Neoproterozoic 7.25 86.3 Permian Cis- 1000 1000 Coniacian Artinskian 90 89.8 uralian 290.1 1100 Stenian Tortonian Turonian Sakmarian 10 93.9 295.5 Asselian 1200 1200 Cenomanian 300 298.9 11.63 L Gzhelian 100 303.7 1300 100.5 Kasimovian 307.0 Ectasian Neogene Serravallian M Moscovian 13.82 1400 1400 Albian 315.2 15 Langhian E Bashkirian 1500 Calymmian 15.97 110 Pennsylvanian Mesoproterozoic Miocene 323.2 Cretaceous 113.0 325 L Serpukhovian 1600 1600 330.9 Burdigalian 1700 Proterozoic Statherian 120 Aptian M Visean 20 20.4 Early 1800 1800 Carboniferous Aquitanian 126.3 346.7 1900 Barremian 350 Orosirian 23.0 130 130.8 Mississippian E Tournaisian Hauterivian 2000 133.9 2050 358.9 25 Valanginian 2100 Chattian 139.4 Famennian 140 2200 Rhyacian Berriasian Late 372.2 28.1 145.0 375 2300 Paleoproterozoic 2300 Frasnian Tithonian 2400 Siderian 30 150 382.7 152.1 Givetian Oligocene Rupelian Middle 387.7 2500 2500 Late Kimmeridgian Eifelian 157.3 393.3 2600 160 Devonian 33.9 Oxfordian 400 Emsian 2700 163.5 Neo- 35 Callovian 166.1 Early 407.6 archean Priabonian Bathonian Pragian 2800 2800 Middle 168.3 410.8 170 Bajocian 170.3 Lochkovian 37.8 Aalenian 2900 174.1 419.2 Pridoli 423.0 3000 Bartonian 425 Ludfordian 40 Jurassic Toarcian Ludlow Gorstian 425.6 427.4 Meso- 180 Homerian 3100 41.2 Wenlock Sheinwoodian 430.5 archean 182.7 433.4 Pliens- Llando- Telychian 3200 3200 Silurian Aeronian 438.5 Early bachian very Rhuddanian 440.8 190 443.8 3300 190.8 Hirnantian 445.2 Paleogene Lutetian 45 Archean 450 Late Katian 3400 Sinemurian 453.0 Eocene Sandbian 3500 Paleo- 199.3 458.4 archean 47.8 200 Hettangian 201.3 Darriwilian Middle 3600 3600 Rhaetian Dapingian 467.3 50 470.0 3700 209.5 Floian 210 475 Ordovician Ypresian Early 477.7 3800 Tremadocian 485.4 3900 Age 10 220 Late Norian Furon- 489.5 Eoarchean 55 Jiangshanian 4000 4000 gian 494.0 56.0 Paibian 497.0 Guzhangian 4100 500 Epoch 500.5 Thanetian 228.4 Drumian 504.5 230 3 Age 5 4200 Hadean Triassic 509.0 59.2 Carnian Age 4 (informal) 60 Epoch 514.0 4300 Selandian 237.0 2 Age 3 61.6 240 Ladinian 521.0 4400 Middle 241.5 525 Cambrian Age 2 4500 Anisian 529.0 Paleocene Danian Terre- 247.1 neuvian Olenekian Fortunian Copyright: Geologic TimeScale Foundation 65 250 Early 250.0 66.0 Induan 252.2 541.0 June 2012.