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Ìgbà iwájú Kámbríà 4567.17–542 ẹgbẹgbẹ̀rún ọdun sẹ́yìn PreЄ Є O S D C P T J K Pg N
Mean atmospheric O₂ content over period duration	ca. 0 Vol %^[1] (0 % of modern level)
Mean atmospheric CO₂ content over period duration	ca. 0 ppm^[2] (0 times pre-industrial level)
Mean surface temperature over period duration	ca. 0 °C^[3] (-14 °C above modern level)
Sea level (above present day)	Unknown ^[4]

Ìgbà iwájú Kámbríà (Pre-Cambrian) ni orúkọ àfiṣiṣé fún ibu asiko siwaju Iggbarun Igbeyosaye isinyi, be sini o je Igbarungbangba to pin si and is a Supereon divided into several igbarun orisirisi lori osuwon asiko iseorooriile. O bu lati idarajo aye ni bi 4600 Ma (egbegberun odun seyin) de ibere Ìgbà Kámbríà, nibi 542 Ma, nigbati awon eranko onigba-eyin lilo koko po jantirere.O nje Ìgbà iwájú Kámbríà nitoripe o siwaju Igba Kambria, the first igba akoko Igbarun Igbeyosaye, ti oruko re wa lati inu oruko ologbologbo fun Wales, Cambria, nibi ti awon apata lati igba yi ti koko je sisekiko.

Àwọn ìtọ́kasí

[àtúnṣe | àtúnṣe àmìọ̀rọ̀]

↑ Image:Sauerstoffgehalt-1000mj.svg
↑ Image:Phanerozoic Carbon Dioxide.png
↑ Image:All palaeotemps.png
↑ Haq, B. U.; Schutter, SR (2008). "A Chronology of Paleozoic Sea-Level Changes". Science 322 (5898): 64. doi:10.1126/science.1161648. PMID 18832639.

Geologic history of Earth

Precambrian (4.57 Gya – 542 Mya)

In left column are eons; right column: bold are eras; not bold are periods:
Hadean (4.57 – 4 Gya)	(informal)
Archean (4 – 2.5 Gya)	Eoarchean (4 – 3.6 Gya) Paleoarchean (3.6 – 3.2 Gya) Mesoarchean (3.2 – 2.8 Gya) Neoarchean (2.8 – 2.5 Gya)
Proterozoic (2.5 Gya – 542 Mya)	Paleoproterozoic (2.5 – 1.6 Gya): Siderian (2.5 – 2.3 Gya) · Rhyacian (2.3 – 2.05 Gya) · Orosirian (2.05 – 1.8 Gya) · Statherian (1.8 – 1.6 Gya) Mesoproterozoic (1.6 – 1 Gya): Calymmian (1.6 – 1.4 Gya) · Ectasian (1.4 – 1.2 Gya) · Stenian (1.2 – 1 Gya) Neoproterozoic (1 Gya – 542 Mya): Tonian (1 Gya – 850 Mya) · Cryogenian (850 – 635 Mya) · Ediacaran (635 – 542 Mya)
Mya = millions years ago. Gya = billions years ago.

Phanerozoic (542 – 0 Mya)

In horizontal bars are eras; in left column are periods; right column: bold are epochs; not bold not italic are ages; italic are chrons:

Paleozoic (542 – 251 Mya)

Cambrian (542 – 488.3 Mya)	Terreneuvian (542 – 521 Mya): Fortunian (542 – 528 Mya) · Age 2* (528 – 521 Mya) *Epoch 2 (521 – 510 Mya)*: Age 3 (521 – 515 Mya) · Age 4* (515 – 510 Mya) *Epoch 3 (510 – 499 Mya)*: Age 5 (510 – 506.5 Mya) · Drumian (506.5 – 503 Mya) · Guzhangian (503 – 499 Mya) Furongian (499 – 488.3 Mya): Paibian (499 – 496 Mya) · Age 9* (496 – 492 Mya) · Age 10* (492 – 488.3 Mya)
Ordovician (488.3 – 443.7 Mya)	Early Ordovician (488.3 – 471.8 Mya): Tremadocian (488.3 – 478.6 Mya) · Floian (478.6 – 471.8 Mya) Middle Ordovician (471.8 – 460.9 Mya): Dapingian (471.8 – 468.1 Mya) · Darriwilian (468.1 – 460.9 Mya) Late Ordovician (460.9 – 443.7 Mya): Sandbian (460.9 – 455.8 Mya) · Katian (455.8 – 445.6 Mya) · Hirnantian (445.6 – 443.7 Mya)
Silurian (443.7 – 416 Mya)	Llandovery (443.7 – 428.2 Mya): Rhuddanian (443.7 – 439 Mya) · Aeronian (439 – 436 Mya) · Telychian (436 – 428.2 Mya) Wenlock (428.2 – 422.9 Mya): Sheinwoodian (428.2 – 426.2 Mya) · Homerian (426.2 – 422.9 Mya) Ludlow (422.9 – 418.7 Mya): Gorstian (422.9 – 421.3 Mya) · Ludfordian (421.3 – 418.7 Mya) Pridoli (418.7 – 416 Mya)
Devonian (416 – 359.2 Mya)	Early Devonian (416 – 397.5 Mya): Lochkovian (416 – 411.2 Mya) · Pragian (411.2 – 407 Mya) · Emsian (407 – 397.5 Mya) Middle Devonian (397.5 – 385.3 Mya): Eifelian (397.5 – 391.8 Mya) · Givetian (391.8 – 385.3 Mya) Late Devonian (385.3 – 359.2 Mya): Frasnian (385.3 – 374.5 Mya) · Famennian (374.5 – 359.2 Mya)
Carboniferous (359.2 – 299 Mya)	Mississippian (359.2 – 318.1 Mya): Tournaisian / Early Mississippian (359.2 – 345.3 Mya) · Viséan / Middle Mississippian (345.3 – 328.3 Mya) · Serpukhovian / Late Mississippian (328.3 – 318.1 Mya) Pennsylvanian (318.1 – 299 Mya): Bashkirian / Early Pennsylvanian (318.1 – 311.7 Mya) · Moscovian / Middle Pennsylvanian (311.7 – 307.2 Mya) · Late Pennsylvanian (307.2 – 299 Mya): Kasimovian (307.2 – 303.4 Mya) · Gzhelian (303.4 – 299 Mya)
Permian (299 – 251 Mya)	Cisuralian (299 – 270.6 Mya): Asselian (299 – 294.6 Mya) · Sakmarian (294.6 – 284.4 Mya) · Artinskian (284.4 – 275.6 Mya) · Kungurian (275.6 – 270.6 Mya) Guadalupian (270.6 – 260.4 Mya): Roadian (270.6 – 268 Mya) · Wordian (268 – 265.8 Mya) · Capitanian (265.8 – 260.4 Mya) Lopingian (260.4 – 251 Mya): Wuchiapingian (260.4 – 253.8 Mya) · Changhsingian (253.8 – 251 Mya)

Mesozoic (251 – 65.5 Mya)

Triassic (251 – 199.6 Mya)	Early Triassic (251 – 245.9 Mya): Induan (251 – 249.5 Mya) · Olenekian (249.5 – 245.9 Mya) Middle Triassic (245.9 – 228.7 Mya): Anisian (245.9 – 237 Mya) · Ladinian (237 – 228.7 Mya) Late Triassic (228.7 – 199.6 Mya): Carnian (228.7 – 216.5 Mya) · Norian (216.5 – 203.6 Mya) · Rhaetian (203.6 – 199.6 Mya)
Jurassic (199.6 – 145.5 Mya)	Early Jurassic (199.6 – 175.6 Mya): Hettangian (199.6 – 196.5 Mya) · Sinemurian (196.5 – 189.6 Mya) · Pliensbachian (189.6 – 183 Mya) · Toarcian (183 – 175.6 Mya) Middle Jurassic (175.6 – 161.2 Mya): Aalenian (175.6 – 171.6 Mya) · Bajocian (171.6 – 167.7 Mya) · Bathonian (167.7 – 164.7 Mya) · Callovian (164.7 – 161.2 Mya) Late Jurassic (161.2 – 145.5 Mya): Oxfordian (161.2 – 155.6 Mya) · Kimmeridgian (155.6 – 150.8 Mya) · Tithonian (150.8 – 145.5 Mya)
Cretaceous (145.5 – 65.5 Mya)	Early Cretaceous (145.5 – 99.6 Mya): Berriasian (145.5 – 140.2 Mya) · Valanginian (140.2 – 133.9 Mya) · Hauterivian (133.9 – 130 Mya) · Barremian (130 – 125 Mya) · Aptian (125 – 112 Mya) · Albian (112 – 99.6 Mya) Late Cretaceous (99.6 – 65.5 Mya): Cenomanian (99.6 – 93.6 Mya) · Turonian (93.6 – 88.6 Mya) · Coniacian (88.6 – 85.8 Mya) · Santonian (85.8 – 83.5 Mya) · Campanian (83.5 – 70.6 Mya) · Maastrichtian (70.6 – 65.5 Mya)

Cenozoic (65.5 – 0 Mya)

Paleogene, Neogene and early Pleistocene comprise former Tertiary* (65.5 – 1.8 Mya) period. Gelasian and Calabrian comprise Early Pleistocene (2.588 Mya – 781 kya) subepoch.
Paleogene (65.5 – 23.03 Mya)	Paleocene (65.5 – 55.8 Mya): Danian (65.5 – 61.1 Mya) · Selandian (61.1 – 58.7 Mya) · Thanetian (58.7 – 55.8 Mya) Eocene (55.8 – 33.9 Mya): Ypresian (55.8 – 48.6 Mya) · Lutetian (48.6 – 40.4 Mya) · Bartonian (40.4 – 37.2 Mya) · Priabonian (37.2 – 33.9 Mya) Oligocene (33.9 – 23.03 Mya): Rupelian (33.9 – 28.4 Mya) · Chattian (28.4 – 23.03 Mya)
Neogene (23.03 – 2.588 Mya)	Miocene (23.03 – 5.332 Mya): Aquitanian (23.03 – 20.43 Mya) · Burdigalian (20.43 – 15.97 Mya) · Langhian (15.97 – 13.82 Mya) · Serravallian (13.82 – 11.608 Mya) · Tortonian (11.608 – 7.246 Mya) · Messinian (7.246 – 5.332 Mya) Pliocene (5.332 – 2.588 Mya): Piacenzian (5.332 – 3.6 Mya) · Zanclean (3.6 – 2.588 Mya)
Quaternary (2.588 – 0 Mya)	Pleistocene (2.588 Mya – 11.4 kya): Gelasian (2.588 – 1.806 Mya) · Calabrian (1.806 Mya – 781 kya) · Middle Pleistocene / Ionian (781 – 126 kya) · Late Pleistocene / Tarantian (126 – 11.4 kya): Oldest Dryas (18 – 14.67 kya) · Bølling* (14.67 – 14 kya) · Older Dryas* (14 – 13.7 kya) · Allerød* (13.7 – 12.8 kya) · Younger Dryas* (12.8 – 11.4 kya)* Holocene (11.4 – 0 kya): Preboreal (11.4 – 9 kya) · Boreal* (9 – 8 kya) · Atlantic* (8 – 5 kya) · Subboreal* (5 – 2.5 kya) · Subatlantic* (2.5 – 0 kya)*

kya = thousands years ago. Mya = millions years ago. * Not officially recognized by the I.C.S.

Source: International Stratigraphic Chart. International Commission on Stratigraphy. Retrieved 8 February 2008.

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