| 21. | During the Quaternary period the state was covered with glaciers.
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| 22. | Quaternary Period rock, Average rainfall is 100 cm per annum.
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| 23. | This is the only fault known to have ruptured twice in the Quaternary period.
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| 24. | What is now Lafayette was part of the seabed during the earlier Quaternary Period.
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| 25. | During the various ice ages of the Quaternary Period, the Turracher H�he was glaciated.
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| 26. | Nemrut was probably formed in the early Quaternary Period, about 1 million years ago.
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| 27. | However, local sedimentation resumed during the Quaternary period as glaciers intruded into the state.
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| 28. | During the Quaternary period, the River Dordogne deposited terraces of gravel alluvia on both banks.
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| 29. | The Quaternary period is the most recent in prehistoric terms, dating back 2 million years.
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| 30. | Most of the existing surface dates from Quaternary period.
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