| 1. | He also made key contributions about various Permo-Carboniferous limbed vertebrates.
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| 2. | The Permo-Triassic rocks of the Cheshire basin are heavily faulted.
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| 3. | The town is built on a mixture of Permo-Triassic in origin.
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| 4. | That same year he studied the glacial striations of Permo-Carboniferous Paran?Basin.
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| 5. | The central vale is Permo-Triassic.
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| 6. | This brine came from Permo-Triassic sedimentary rocks that once covered the entire area.
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| 7. | The Gondwana sediments forms a unique sequence of fluviatile rocks deposited in Permo-Carboniferous time.
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| 8. | This happened about 323 million years ago, at the onset of the Permo-Carboniferous Glaciation.
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| 9. | Permo-Carboniferous time, about 300 million years ago, was a period of significant glaciation.
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| 10. | Life and death in the Permo Triassic : the fortunes of the dicynodont mammal-like reptiles.
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