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|
The Geological Timescale |
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|
Era |
Sub-Era |
Period |
Epoch |
Stage/ |
Start |
Major |
|
Triassic |
Scythian |
Griesbachian |
245.0 |
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Palaeozoic
|
Permian |
Zechstein |
Changxingian |
247.5 |
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|
Longtanian |
250.0 |
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|
Capitanian |
252.5 |
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|
Wordian |
255.0 |
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|
Ufimian |
256.1 |
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|
Rotliegendes |
Kungurian |
259.7 |
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|
Artinskian |
268.8 |
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|
Sakmarian |
281.5 |
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|
Asselian |
290.0 |
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|
Carboniferous |
Pennsylvanian |
Gzelian |
Noginskian |
293.6 |
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|
Klazminskian |
295.1 |
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|
Kasimovian |
Dorogomilovskian |
298.3 |
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Chamovnicheskian |
299.9 |
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|
Krevyakinskian |
303.0 |
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Moscovian |
Myachkovskian |
305.0 |
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Podolskian |
307.1 |
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|
Kashirskian |
309.2 |
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Vereiskian |
311.3 |
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Bashkirian |
Melekesskian |
313.4 |
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Cheremshanskian |
318.3 |
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|
Yeadonian |
320.6 |
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Marsdenian |
321.5 |
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Kinderscoutian |
322.8 |
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|
Mississippian |
Serpukhovian |
Alportian |
325.6 |
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Chokierian |
328.3 |
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|
Arnsbergian |
331.1 |
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|
Pendleian |
332.9 |
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|
Visean |
Brigantian |
336.0 |
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Asbian |
339.4 |
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Holkerian |
342.8 |
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|
Arundian |
345.0 |
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Chadian |
349.5 |
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|
Tournaisian |
Ivorian |
353.8 |
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|
Hastarian |
362.5 |
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|
Devonian |
Upper |
Famennian |
367.0 |
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Sources: Harland W.B., et al., "A Geologic Time Scale 1989," Cambridge University Press: Cambridge UK, Revised Edition, 1990. Allaby A. & Allaby M., eds, "A Dictionary of Earth Sciences," [1990], Oxford University Press: Oxford UK, Second Edition, 1999. |
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