KENT GEOLOGISTS' GROUP
Geological Time
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Fossils
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How Old Are Fossils
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Geological Time
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Microfossils
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Macrofossils
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Fossil Gallery
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Minerals
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What is Matter
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Atoms, Elements and Compounds
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Chemical Bonding
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Why Collect Minerals
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Luminescence
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Fluorescence
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Radioactivity
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Mineral Gallery
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How to Join
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External Links
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Kent Geology
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Fragments
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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
Fossils
How Old are Fossils?
Microfossils
Macrofossils
Fossil Gallery
