International Stratigraphic Chart

Unesco IUGS Strat Chart
This is an HTML version of the IUGS stratigraphic chart. PDF versions of this chart can be found here and here.

 

 
HOLOCENE Ma+/-Ma+/-  Q2Q
     
     
     
PLEISTOCENE       Q1
     
     
     
PLIOCENEGelasian1.750.051.81 GSSPn9N2N
Piacenzian  2.58 GSSPn8
Zanclean3.4 3.6 GSSPn7
MIOCENEMessinian5.30.155.33 GSSPn6N1
Tortonian7.30.157.1 GSSPn5
Serravallian110.311  n4
Langhian14.30.513.6  n3
Burdigalian15.80.216.4  n2
Aquitanian20.30.419.1  n1
OLIGOCENEChattian23.5123.8 GSSPe9E3E
Rupelian281   e8
EOCENEPriabonian33.70.5  GSSPe7E2
Bartonian371/0.5   e6
Lutetian401   e5
Ypresian461/0.5   e4
PALEOCENEThanetian531   e3E1
Selandian     e2
Danian     e1
UPPER/LATEMaastrichtian650.5650.1GSSPk6K2K
Campanian720.571.30.5 k5
Santonian83183.50.5 k4
Coniacian87185.80.5 k3
Turonian881890.5 k2
Cenomanain92293.50.2 k1
LOWER/EARLYAlbain96298.90.6 b6K1
Aptian1083/1112.21.1 b5
Barremian11331211.4 b4
Hauterivian1175/21271.6 b3
Valaginian1236/21321.9 b2
Berriasian1314136.52.2 b1
UPPER/LATETithonian1355/5144.22.6 j7J3J
Kimmeridgian141?/5   j6
Oxfordian146    j5
MIDDLECallovian1545   j4J2
Bathonian1602   j3
Bajocian1642   j2
Aalenian1704/3  GSSPj1
LOWER/EARLYToarcian1753  GSSPl4J1
Pliensbachian1843   l3
Sinemurian191    l2
Hettangian2004/7   l1
UPPER/LATERhetian2033   t7T3T
Norian     t6
Carnian220    t5
MIDDLELadinian2306   t4T2
Anisian2335   t3
LOWER/EARLYOlenekian2405   t2T1
Induan2503251.13.6 t1
LOPINGIANChanghsingian     p9P3P
Wuchiapigian2503251.13.6 p8
GUADALUPIANCapitanian     p7P2
Wordian     p6
Roadian     p5
CISURALIANKungurian  272.23.2 p4P1
Artinskian     p3
Sakmarian  280.32.6 p2
Asselian     p1
PENNSYLVANIANGzhelian2955298 GSSPc7C2C
Kazimovian     c6
Moscovian     c5
Bashkirian     c4
MISSISSIPPIANSerpukhovian  320 GSSPc3C1
Visean3255327  c2
Tournaisian345 3423.6 c1
UPPER/LATEFamennian35553544GSSPd7D3D
Frasnian3705  GSSPd6
MIDDLEGivetian3755  GSSPd5D2
Eifelian380   GSSPd4
LOWER/EARLYEmsian3905  GSSPd3D1
Pragian4005  GSSPd2
Lochkovian    GSSPd1
PRIDOLI 4108/5  GSSPs8S4S
LUDLOWLudfordian415   GSSPs7S3
Gorstian    GSSPs6
WENLOCKHomerian4255  GSSPs5S2
Sheinwoodian    GSSPs4
LLANDOVERYTelychian4306  GSSPs3S1
Aeronian    GSSPs2
Rhuddanian    GSSPs1
UPPER/LATE 4356/4440 GSSPo4O3O
MIDDLEDarriwillian4555  <-4 <-3o3O2
   467.53GSSPo2
LOWER/EARLY 4655  <-2 <-1o1O1
Tremadocian
UPPER/LATE 500 495 GSSPe3E3E
MIDDLE   500  e2E2
LOWER/EARLY 520 520  e1E1
    5405545 GSSP