| 1. | Over geological time, nature has conspired powerfully against what would become China.
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| 2. | The sedimentation rate in the basin has varied strongly over geological time.
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| 3. | In 1874 he proposed a new scientific subdivision of geological time.
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| 4. | Over geological time periods these processes are thought to stabilise the Earth's climate.
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| 5. | This method is useful for dating a large span in geological time scale.
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| 6. | Thus genes can be said to flow in a river through geological time.
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| 7. | Some plants have remained remarkedly unchanged throughout earth's geological time scale.
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| 8. | The rocks at the site date to the Silurian period of geological time.
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| 9. | Fortey ends with some reflections on the measurement of geological time.
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| 10. | At some points in geological time, rhyolitic calderas have appeared in distinct clusters.
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