Geological Timescale
- The timescale of each Epoch, Period and Era are tabulated below:
Epoch from to Holocene 10000 present day Pleistocene 1.64 million 10000 Pliocene 5.2 million 1.64 million Miocene 23.5 million 5.2 million Oligocene 35.5 million 23.5 million Eocene 56.5 million 35.5 million Palaeocene 65 million 56.5 million
Period from to Quaternary 1.64 million present day Tertiary 65 million 1.64 million Cretaceous 144.2 million 65 million Jurassic 208 million 146 million Triassic 245 million 208 million Permian 290 million 245 million Carboniferous 362.5 million 290 million Devonian 408 million 360 million Silurian 439 million 409 million Ordovician 510 million 439 million Cambrian 570 million 510 million Proterozic 1.0 billion 570 million Archaeozic 4.6 billion 1.0 billion
Era from to Cenozoic 65 million present day Mesozoic 245 million 65 million Paleozoic 570 million 245 million Precambrian 4.6 billion 570 million
Eon from to Phanerozoic 570 million present day Proterozoic 2.6 billion 570 million Archaean 3.9 billion 2.6 billion Hadean 4.6 billion 3.9 billion
See also: Archaean, Archaeozic, Cambrian, Carboniferous, Cenozoic, Cretaceous, Devonian, Eocene, Hadean, Holocene, Jurassic, Mesozoic, Miocene, Oligocene, Ordovician, Palaeocene, Paleozoic, Permian, Phanerozoic, Pleistocene, Pliocene, Precambrian, Proterozic, Proterozoic, Quaternary, Silurian, Tertiary, Triassic.
Subjects: Physics