| 1. | Thus, deposits formed in different geological period would have various lead isotope signature.
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| 2. | The Eocene was the geological period when the world's climate grew significantly warmer.
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| 3. | Cornish geology consists mainly of rocks from the Devonian and Carboniferous geological periods.
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| 4. | :"'Column 2 "'indicates during which geological period the rocks of each group were deposited.
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| 5. | The most important strata are named after the geological periods of the Mesozoic era.
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| 6. | There are also three great groups of sedimentary rocks belonging to different geological periods.
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| 7. | Tasmania s alpine landscape is dominated by two bedrock systems originating from different geological periods.
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| 8. | Previous generations of scientists had thought that chordates evolved in the later Ordovician geological period.
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| 9. | The article is classified in the appropriate subcategories of : Category : Geological periods articles.
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| 10. | He published many research papers on various geological periods.
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