KENT GEOLOGISTS' GROUP

Geological Time

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Geological Time

ERA PERIOD ABSOLUTE TIME
(Millions of years ago, mya)
QUATERNARY Holocene Last 10,000 years
Pleistocene 0-2
TERTIARY Pliocene 2-5
Miocene 5-25
Oligocene 25-34
Eocene 34-54
Palaeocene 54-65
MESOZOIC Cretaceous 65-144
Jurassic 144-213
Triassic 213-248
PALAEOZOIC Permian 248-286
Carboniferous 286-354
Devonian 354-412
Silurian 412-435
Ordovician 435-492
Cambrian 492-570
Precambrian 570-4600