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Hirnant Limestone

The Hirnant Limestone is an old name for a geologic formation in England and Wales, defining the Hirnantian. It preserves fossils dating back to the Ordovician…

The Hirnant Limestone is an old name for a geologic formation in England and Wales, defining the Hirnantian. It preserves fossils dating back to the Ordovician period.Hirnant Limestone at Fossilworks.org It is now classified as the Hirnant Limestone Member of the Foel Y Ddinas Mudstones Formation.

See also List of fossiliferous stratigraphic units in Wales

References

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