قالب:تاريخ جيولوجي

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.

[الحياة الظاهرة

في الأشرطة الأفقية الحقب× في العمود الأيسر العصور× العمود الأيمن: بالخط العريض النطاقات؛ بالخط العادي المائل العهود؛ بالخط المائل 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)

الحقبة الوسطى (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)

الپاليوجيني, النيوجيني والپلايستوسيني ضمن عصر العصر الثلاثي السابق* (65.5 – 1.8 سنة مضت) . Gelasian and Calabrian ضمن الپلايستوسيني المبكر (2.588 Mya – 781 kya) subepoch.
الپاليوجيني (65.5 – 23.03 Mya)	الپاليوسيني (65.5 – 55.8 Mya): Danian (65.5 – 61.1 Mya) • Selandian (61.1 – 58.7 Mya) • Thanetian (58.7 – 55.8 Mya) الإيوسيني (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)
النيوجيني (23.03 – 2.588 Mya)	الميوسيني (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)	الپلايستوسيني (2.588 Mya – 11.4 kya): Gelasian (2.588 – 1.806 Mya) • Calabrian (1.806 Mya – 781 kya) • الپلايستوسيني المتوسط / Ionian (781 – 126 kya) • الپلايستوسيني المتأخر / 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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