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P h a n e r o z o i c P a l e o z o i c M e s o z o i c Carboniferous Permian Jurassic T riassic

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Famennian

Givetian Eifelian

Lochkovian Pragian Frasnian

Emsian

Ludfordian Gorstian Homerian Sheinwoodian

Telychian Aeronian Rhuddanian

P h a n e r o z o i c P a l e o z o i c

Pridoli

Ludlow Wenlock

Llandovery Upper Middle

Lower

Devonian

411.2 ±2.8 416.0 ±2.8

422.9 ±2.5

428.2 ±2.3

Lopingian

Guadalupian

Cisuralian Upper

Upper Middle

Middle Lower

Lower

Upper

Upper Middle

Middle Lower

Lower

P h a n e r o z o i c P a l e o z o i c M e s o z o i c Carboniferous Permian Jurassic T riassic

150.8 ±4.0 155.7 ±4.0 161.2 ±4.0 164.7 ±4.0 167.7 ±3.5 171.6 ±3.0 175.6 ±2.0 183.0 ±1.5 189.6 ±1.5 196.5 ±1.0 199.6 ±0.6 203.6 ±1.5 216.5 ±2.0 228.0 ±2.0 237.0 ±2.0 245.0 ±1.5 249.7 ±0.7 251.0 ±0.4

318.1 ±1.3 260.4 ±0.7 253.8 ±0.7

265.8 ±0.7 268.0 ±0.7 270.6 ±0.7 275.6 ±0.7 284.4 ±0.7 294.6 ±0.8 299.0 ±0.8 303.9 ±0.9 306.5 ±1.0 311.7 ±1.1 Tithonian

Kimmeridgian Oxfordian

Callovian Bajocian Bathonian

Aalenian Toarcian Pliensbachian

Sinemurian Hettangian Rhaetian

Norian Carnian Ladinian Anisian Olenekian

Induan Changhsingian Wuchiapingian Capitanian

Wordian Roadian Kungurian

Artinskian Sakmarian

Asselian Gzhelian Kasimovian

Moscovian Bashkirian Serpukhovian

Visean Tournaisian Penn- sylvanian

Missis- sippian

359.2 ±2.5 345.3 ±2.1 326.4 ±1.6

374.5 ±2.6 385.3 ±2.6 391.8 ±2.7 397.5 ±2.7 407.0 ±2.8

443.7 ±1.5 436.0 ±1.9 439.0 ±1.8 418.7 ±2.7

Ediacaran Cryogenian

Tonian Stenian Ectasian Calymmian

Statherian Orosirian Rhyacian Siderian Neo-

proterozoic

Neoarchean Mesoarchean Paleoarchean Eoarchean

Meso- proterozoic

Paleo- proterozoic

Archean Proterozoic P r e c a m b r i a n

~630 850 1000 1200 1400 1600 1800 2050 2300 2500

2800

3200

3600 Upper

Middle Lower

Selandian Tortonian Serravallian

Langhian Burdigalian

Aquitanian

Ypresian Chattian Rupelian Priabonian

Danian Thanetian Bartonian Lutetian

Campanian Santonian

Turonian Coniacian

Albian Aptian

Berriasian Barremian Valanginian Hauterivian Maastrichtian

Cenomanian Piacenzian

Messinian Zanclean Gelasian

P h a n e r o z o i c C e n o z o i c M e s o z o i c

1.806 0.126 0.781

2.588

5.332 7.246 11.608 13.82 15.97 20.43

70.6 ±0.6 65.5 ±0.3

83.5 ±0.7 85.8 ±0.7 89.3 ±1.0 93.5 ±0.8 40.4 ±0.2 37.2 ±0.1 33.9 ±0.1 28.4 ±0.1 23.03

48.6 ±0.2 55.8 ±0.2 58.7 ±0.2 61.7 ±0.2

99.6 ±0.9 112.0 ±1.0 125.0 ±1.0 130.0 ±1.5 136.4 ±2.0 140.2 ±3.0 145.5 ±4.0

Cretaceous Paleogene Neogene

System Period

Eonothem Eon Erathem Era Stage Age Age Ma GSSPEpoch Series

Eonothem Eon Erathem Era System Stage Age Age Ma GSSPEpoch Series Period Eonothem Eon Erathem Era Age Ma GSSP GSSASystem Period

Eonothem Eon Era Sub-Era Stage Age Age Ma GSSPEpoch Series Period

3.600

Oligocene

Eocene

Paleocene Pliocene

Miocene Pleistocene

Upper

Lower Holocene

0.0118

INTERNATIONAL STRATIGRAPHIC CHART

International Commission on Stratigraphy

421.3 ±2.6

426.2 ±2.4

Tremadocian Darriwilian Hirnantian

Paibian Upper

Middle Lower

Series 3

Stage 3 Stage 2 Stage 1 Stage 5 Drumian Stage 7 Stage 9 Stage 10

Floian Stage 3 Sandbian Katian

Stage 4 Series 2

Series 1 Furongian

Cambrian Ordovician

~ 503.0 *

~ 506.5 *

~ 510.0 *

~ 517.0 *

~ 521.0 *

~ 534.6 * 460.9 ±1.6

471.8 ±1.6

488.3 ±1.7

~ 492.0 *

~ 496.0 * 501.0 ±2.0

542.0 ±1.0 455.8 ±1.6 445.6 ±1.5

468.1 ±1.6

478.6 ±1.7

Lower limit is not defined

Silurian

Quaternary*: Formal chronostratigraphic unit sensu joint ICS-INQUA taskforce (2005) and ICS.

Tertiary*: Informal chronostratigraphic unit sensu Aubry et al. (2005, Episodes 28/2).

Erathem System

542 359.2 ±2.5

145.5 ±4.0

Quaternary *

ICS

Copyright © 2006 International Commission on Stratigraphy

Subdivisions of the global geologic record are formally defined by their lower boundary. Each unit of the Phanerozoic (~542 Ma to Present) and the base of Ediacaran are defined by a basal Global Standard Section and Point (GSSP ), whereas Precambrian units are formally subdivided by absolute age (Global Standard Stratigraphic Age, GSSA). Details of each GSSP are posted on the ICS website (www.stratigraphy.org).

International chronostratigraphic units, rank, names and formal status are approved by the International Commission on Stratigraphy (ICS) and ratified by the International Union of Geological Sciences (IUGS).

Numerical ages of the unit boundaries in the Phanerozoic are subject to revision. Some stages within the Ordovician and Cambrian will be formally named upon international agreement on their GSSP limits. Most sub-Series boundaries (e.g., Middle and Upper Aptian) are not formally defined.

Colors are according to the Commission for the Geological Map of the World (www.cgmw.org).

The listed numerical ages are from 'A Geologic Time Scale 2004', by F.M. Gradstein, J.G. Ogg, A.G. Smith, et al. (2004; Cambridge University Press).

This chart was drafted by Gabi Ogg. Intra Cambrian unit ages with * are informal, and awaiting ratified defnitions.

Tertiary*

Références

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