Permo-triassic sentence example

  • A few plants described by Potonie from German and Portuguese East Africa demonstrate the occurrence of Glossopteris and a few other genera, referred to a Permo-Triassic horizon, in a region slightly to the north of Tete in the Zambesi district (Map A, I.), where typical European plants agreeing with Upper Carboniferous types were discovered several years ago, and described by Zeiller in 1882 and 1901.
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  • Current levels are also relatively healthy in most western Permo-Triassic sandstones outcrops.
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  • This situation is broadly replicated in the limestone aquifers but the Permo-Triassic sandstones display much less geographical coherence.
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  • The same applies to the Permo-Triassic sandstones of the South West; elsewhere levels are generally low albeit above corresponding levels in 1997.
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