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You are here : AllRefer.com > Reference > Encyclopedia > Geology And Oceanography > Geologic Timescale (table)
By Alphabet : Encyclopedia A-Z > G

Geologic Timescale (table), Geology And Oceanography

Related Category: Geology And Oceanography

Geologic Timescale

Era Period Epoch Approximate duration
(millions of years)		 Approximate number of years ago
(millions of years)
Cenozoic Quaternary Holocene 10,000 years ago to the present  
Pleistocene 2 .01
Tertiary Pliocene 11 2
Miocene 12 13
Oligocene 11 25
Eocene 22 36
Paleocene 71 58
Mesozoic Cretaceous   71 65
Jurassic   54 136
Triassic   35 190
Paleozoic Permian   55 225
Carboniferous   65 280
Devonian   60 345
Silurian   20 405
Ordovician   75 425
Cambrian   100 500
Precambrian     3,380 600



The Columbia Electronic Encyclopedia Copyright © 2009, Columbia University Press.
Licensed from Columbia University Press. All rights reserved.

Topics that might be of interest to you:
• Cambrian period
• Carboniferous period
• Cenozoic era
• Cretaceous period
• Devonian period
• epoch
• geologic timescale
• Holocene epoch
• Jurassic period
• Mesozoic era
• Miocene epoch
• Ordovician period
• Paleozoic era
• Permian period
• Pleistocene epoch
• Pliocene epoch
• Precambrian era
• Quaternary period
• Silurian period
• Tertiary period
• Triassic period

Related Categories:
• Earth and the Environment > Geology and Oceanography
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