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Precambrian

Classification:Supereon (as per International Commission on Stratigraphy)
Top:541 ± 1.0 Ma
Base:~4600 Ma
Preceeds:Phanerozoic Paleozoic  Cambrian   Terreneuvian    Fortunian
Follows:Chaotian Neochaotian  Titanomachean
Primary Divisions:ProterozoicArcheanHadean
FGDC code:=
Fossil Record

Data via PaleoBioDB


Taxa Count Key
First appearance
Extinction
First appearance and extinction
Related precursors
KingdomPhylumClassTaxa Count
AnimaliaCnidaria Anthozoa4
AnimaliaCnidaria Hydrozoa5
AnimaliaCnidaria Scyphozoa7
AnimaliaPorifera Hexactinellida5
BacteriaCyanobacteria Cyanophyceae2
The precamberian superon spans the whole of Earth's geological history before the current Phanerozoic Eon, covering the whole period from the formation of the Earth to the beginning of the Cambrian and the explosion of multi-cellular complex life.
 

Geologic Events

Event NameTypeAgeArea
Cambrian explosion (begins)Evolutionary event541 - 513 ± 3 MaGlobal
Gondwana formation (concludes)Continental Assembly~550 - ~500 MaGlobal
Damara orogeny (concludes)Orogeny~550 - ~495 MaNamibia
Zambezi Belt orogeny (late) (concludes)Orogeny~550 - ~520 MaZambia and Zimbabwe
Ross orogeny (concludes)Orogeny~550 - ~480 MaAntarctica
Avalon explosion (concludes)Evolutionary event~575 MaGlobal
Acraman impact (concludes)Impact Event~590 MaSouth Australia
Beaverhead impact (concludes)Impact Event~600 MaMontana, USA
Timanide orogeny (concludes)Orogeny~620 - ~550 MaEurope
Beardmore orogenyOrogeny633 - 620 MaAntarctica
Marinoan glaciation ("Snowball earth") (concludes)Glaciation Event~650 - ~635 MaGlobal
Cadomian orogeny (concludes)Orogeny~660 - ~540 MaEurope
Sturtian glaciationGlaciation Event717.4 ± 0.1 - ~660 MaGlobal
Rodinia breakupContinental Breakup750 - 633 MaGlobal
Pannotia supercontinent (begins)Supercontinent750 - 530 MaGlobal
Pan-African orogeny (concludes)Orogeny~870 - ~550 MaAfrica
Zambezi Belt orogeny (early) (concludes)Orogeny~890 - ~880 MaZambia and Zimbabwe
Late Ruker / Nimrod orogenyOrogeny1000 ± 150 MaAntarctica
First sexual reproduction (concludes)Evolutionary event~1200 MaGlobal
Grenville orogenyOrogeny1250 - 980 MaNorthern America, Scotland
Sveconorwegian orogeny (concludes)Orogeny~1250 - ~900 MaEurope
Rodinia assembly (concludes)Continental Assembly~1300 - ~900 MaGlobal
Ur joins Rodinia (concludes)Continental Assembly~1300 - 1071 MaGlobal
Kibaran orogenyOrogeny1400 - 1000 MaMid to Southern Africa
Columbia (Nuna) supercontinent breakupContinental Breakup1425 ± 75 - 1250 ± 50 MaGlobal
Gothian orogeny (concludes)Orogeny~1750 - ~1500 MaEurope
Sudbury impactImpact Event1850 ± 3 MaSudbury, Ontario
Early Ruker orogenyOrogeny2000 - 1700 MaAntarctica
Svecofennian orogeny (concludes)Orogeny~2000 - ~1750 MaEurope
Vredefort impactImpact Event2023 ± 0.004 MaFree State Province, South Africa
Columbia (Nuna) supercontinent assemblyContinental Assembly2125 ± 125 - 1780 ± 70 MaGlobal
Eburnean orogeny (concludes)Orogeny~2200 - ~2000 MaWest Africa
Huronian glaciation (concludes)Glaciation Event~2400 - ~2100 MaGlobal
Insel orogenyOrogeny2650 ± 150 MaAntarctica
Algoman/Kenoran orogeny (concludes)Orogeny~2700 - ~2500 MaNorth America
Pongola glaciation (concludes)Glaciation Event~2900 - ~2780 MaGlobal
Lopian orogeny (concludes)Orogeny~2900 - ~2800 MaEurope
Humboldt orogeny (concludes)Orogeny~3000 MaAntarctica
Ur formation (concludes)Continental Assembly~3100 MaGlobal
Great Oxygenation Event (concludes)Major Climatic Event~3500 - ~850 MaGlobal
Rayner orogeny (concludes)Orogeny~3500 MaAntarctica
Naiper orogenyOrogeny4000 ± 200 MaAntarctica
Late Heavy Bombardment (concludes)Impact Event~4100 - ~3800 MaGlobal
First life (concludes)Evolutionary event~4280 - ~3500 MaGlobal
First oceans (concludes)Major Climatic Event~4410 MaGlobal


Overview of geological time

List all geological events
 
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