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International Chronostratigraphic Chart Ages v2022/02

Enter the age range of geologic times (oldest to youngest) in millions of years (MA). Ages are precise to as many significant figures found on the column. https://stratigraphy.org/ICSchart/ChronostratChart2022-02.pdf
Quiz by run000
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Last updated: November 30, 2022
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First submittedNovember 30, 2022
Times taken9
Average score100.0%
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Enter answer here oldest - youngest Ma
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Chronostratigraphic Interval
Age Range (MA)
Mississippian
358.9 - 323.2
Paleocene
66 - 56
Triassic
251.9 - 201.3
Permian
298.9 - 251.9
Mesozoic
251.9 - 66
Devonian
419.2 - 358.9
Cretaceous
145 - 66
Paleogene
66 - 23.03
Ordovician
485.4 - 443.8
Cambrian
538.8 - 485.4
Pliocene
5.333 - 2.58
Cenozoic
66 - 0
Eocene
56 - 33.9
Chronostratigraphic Interval
Age Range (MA)
Phanerozoic
538.8 - 0
Paleozoic
538.8 - 251.9
Silurian
443.8 - 419.2
Pliestocene
2.58 - 0.0117
Pennsylvanian
323.2 - 298.9
Neogene
23.03 - 2.58
Jurassic
201.3 - 145
Carboniferous
358.9 - 298.9
Miocene
23.03 - 5.333
Holocene
0.0117 - 0
Quaternary
2.58 - 0
Oligocene
33.9 - 23.03
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