Stratigraphy
Found 708 records
IDStratigraphyIndexIndex add'lTypeRankScopeBelongs toAge base (Ma)Age top (Ma)Age
2 Precambrian
PC
chronostratigraphy
global
Global Chronostratigraphy 4567 538.8
3 Archean
AR
chronostratigraphy
Eonothem
global
Precambrian 4000 2500
4 Proterozoic
PR
chronostratigraphy
Eonothem
global
Precambrian 2500 538.8
5 Vendian
chronostratigraphy
System
regional
Ediacaran
6 Phanerozoic
PH
chronostratigraphy
Eonothem
global
Global Chronostratigraphy 538.8 0
7 Paleozoic
PZ
chronostratigraphy
Erathem
global
Phanerozoic 538.8 251.902
8 Cambrian
Є
Ca, Cm
chronostratigraphy
System
global
Paleozoic 538.8 485.4
9 Lower Cambrian (old nomenclature)
Є1
Ca1
chronostratigraphy
Series
global
Cambrian 542 521
Cambrian
10 Middle Cambrian (old nomenclature)
Є2
Ca2
chronostratigraphy
Series
global
Cambrian 521 510
Cambrian
11 Upper Cambrian (old nomenclature)
chronostratigraphy
Series
global
Cambrian 499 488.3
Cambrian
12 Ordovician
O
O
chronostratigraphy
System
global
Paleozoic 485.4 443.8
Paleozoic
13 Öland Series
chronostratigraphy
Series
regional
Baltic Ordovician 489.8 463.8
Ordovician
14 Pakerort Stage
AII
O1PK
chronostratigraphy
Stage
regional
Iru Subseries 489.8 486.2
Tremadocian
15 Varangu Stage
AIII
O1VR
chronostratigraphy
Stage
regional
Iru Subseries 486.2 483.4
Tremadocian
16 Latorp Superstage
BI
chronostratigraphy
Superstage
regional
Ontika Subseries 483.4 471.8
Ordovician
17 Volkhov Stage
BII
O2VL
chronostratigraphy
Stage
regional
Ontika Subseries 471.8 467.5
Middle Ordovician
18 Kunda Stage
BIII
O2KN
chronostratigraphy
Stage
regional
Ontika Subseries 467.5 463.8
Darriwilian
19 Viru Series
chronostratigraphy
Series
regional
Baltic Ordovician 463.8 452
Ordovician
20 Aseri Stage
CIa
O2AS
chronostratigraphy
Stage
regional
Purtse Subseries 463.8 463
Darriwilian
21 Lasnamägi Stage
CIb
O2LS
chronostratigraphy
Stage
regional
Purtse Subseries 463 462.6
Darriwilian
22 Uhaku Stage
CIc
O2UH
chronostratigraphy
Stage
regional
Purtse Subseries 462.6 460.9
Darriwilian
23 Kukruse Stage
CII
O3KK
chronostratigraphy
Stage
regional
Purtse Subseries 460.9 458.2
Sandbian
24 Haljala Stage
CIII/DI
O3HL
chronostratigraphy
Stage
regional
Kurna Subseries 458.2 456.2
Sandbian
25 Idavere Substage
CIII
chronostratigraphy
Substage
regional
Haljala Stage
Sandbian
26 Ojamaa
chronostratigraphy
regional
Idavere Substage
Sandbian