FANDOM


The Geological Timescale is the scheme used to organise earth's history by dividing it into named units. There are eons, which divide into eras, which then divide into periods, and they divide into epochs, which, in turn, divide into ages.

The TimescaleEdit

Unnamed
Timezone
Eon Era Period Epoch Age Millions of Years Ago
Precambrian Archean Eoarchean 4,000
Paleoarchean 3,600
Mesoarchean 3,200
Neoarchean 2,800
Proterozoic Paleozoic Siderian 2,500
Rhyacian 2,300
Orosirian 2,050
Statherian 1,800
Mesozoic era Calymmian 1,600
Ectasian 1,400
Stenian 1,200
cenozoic Tonian 1,000
Cryogenian 850
Ediacaran 635
Phanerozoic Paleozoic Cambrian Lower Series Fortunian 542
Stage 2 528
Series 2 Stage 3 521
Stage 4 515
Series 3 Stage 5 510
Drumian 506.5
Guzhangian 503
Furongian Paibian 499
Stage 9 496
Stage 10 492
Ordovician Lower Tremadocian 488.3
Floian 478.6
Middle Dapingian 471.8
Darriwilian 468.1
Upper Sandbian 460.9
Katian 455.8
Hirnantian 445.6
Silurian Llandovery Rhuddanian 443.7
Aeronian 439
Telychian 436
Wenloch Sheinwoodian 428.2
Homerian 426.2
Ludlow Gorstian 422.9
Ludfordian 421.3
Pridoli 418.7
Devonian Lower Lochkovian 416
Pragian 411.2
Emsian 407
Middle Eifelian 397.5
Givetian 391.8
Upper Frasnian 385.3
Famennian 374.5
Carboniferous Mississippian Lower Tournaisian 359.2
Middle Visean 345.3
Upper Serpukhovian 328.3
Pennsylvanian Lower Bashkirian 318.1
Middle Moscovian 311.7
Upper Kasimovian 307.2
Gzhelian 303.4
Permian Cisuralian Asselian 299
Sakmarian 294.6
Artinskian 284.4
Kungurian 275.6
Guadalupian Roadian 270.6
Wordian 268
Capitanian 265.8
Lopingian Wuchiapingian 260.4
Changhsingian 253.8
Mesozoic Triassic Lower Induan 251
Olenikian 249.5
Middle Anisian 245.9
Ladinian 237
Upper Carnian 228.7
Norian 216.5
Rhaetian 203.6
Jurassic Lower Hettangian 199.6
Sinemurian 196.5
Pilensbachian 189.6
Toarcian 183
Middle Aalenian 175.6
Bajocian 171.6
Bathonian 167.7
Callovian 164.7
Upper Oxfordian 161.2
Kimmeridgian 155.6
Tithonian 150.8
Cretaceous Lower Berriasian 145.5
Valanginian 140.2
Hauterivian 133.9
Barremian 130
Aptian 125
Albian 112
Upper Cenomanian 99.6
Turonian 93.6
Coniacian 88.6
Santonian 85.8
Campanian 83.5
Maastrichtian 70.6
Cenozoic Paleogene Paleocene Danian 65.5
Selandian 61.1
Thanetian 58.7
Eocene Ypresian 55.8
Lutetian 48.6
Bartonian 40.4
'Priabonian 37.2
Oligocene Rupelian 33.9
Chattian 28.4
Neogene Miocene Aquitanian 23.03
Burdigalian 20.43
Langhian 15.97
Serravallian 13.82
Tortonian 11.608
Messinian 7.246
Pliocene Zanclean 5.332
Piacenzian 3.6
Cenozoic/
Quaternary
Quaternary/
Neogene
Gelasian 2.588
Pleistocene Calabrian 1.806
Ionian 0.781
Upper 0.126

Holocene


Preboreal



Subatlantic
0.0117

Ad blocker interference detected!


Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.