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