• Local GAPs

Slide Show

The major divisions of geological time

The diagram below shows the major divisions of geological time;
 

Million years
Eon
Era
Period
1.8
    Phanerozoic       Cenozoic  
Quaternary
5.2
 Tertiary
Pliocene

23.5
Miocene

35.5
Oligocene

56.5
Eocene

65
 Paleocene

145

Mesozoic
Cretaceous

199

Jurassic

251

Triassic

299

Paleozoic
Permian

359

Carboniferous

416

Devonian

444

Silurian

488

Ordovician

542

Cambrian
2500
Proterozoic
 
Precambrian

4600
Archean

 
From 'Geology Today', copyright Blackwell Science Ltd.

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