Geological Time: Lengths of Eons, Eras and Periods
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20 Terms
1
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Hadean
4567 - 4000 Ma
2
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Archaean
4000 - 2500 Ma
3
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Proterozoic
2500 - 541 Ma
4
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Phanerozoic
541 - 0 Ma
5
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Palaeozoic
541 - 252 Ma
6
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Mesozoic
252 - 66 Ma
7
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Cenozoic
66 - 0 Ma
8
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Ediacaran
635 - 541 Ma
9
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Cambrian
541 - 485 Ma
10
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Ordovician
485 - 444 Ma
11
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Silurian
444 - 419 Ma
12
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Devonian
419 - 359 Ma
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Carboniferous
359 - 299 Ma
14
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Permian
299 - 252 Ma
15
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Triassic
252 - 201 Ma
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Jurassic
201 - 145 Ma
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Cretaceous
145 - 66 Ma
18
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Palaeogene
66 - 23 Ma
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Neogene
23 - 2.6 Ma
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Quaternary
2.6 - 0 Ma
Note 
Flashcards (33)