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.[1] It is now classified as the Hirnant Limestone Member of the Foel Y Ddinas Mudstones Formation.[2]

Hirnant Limestone
Stratigraphic range: Hirnantian
~446–444 Ma
TypeFormation
Lithology
PrimaryLimestone
Location
Coordinates52°54′N 3°36′W / 52.9°N 3.6°W / 52.9; -3.6
Approximate paleocoordinates38°06′S 16°54′W / 38.1°S 16.9°W / -38.1; -16.9
CountryEngland, Wales
Hirnant Limestone is located in the United Kingdom
Hirnant Limestone
Hirnant Limestone
Hirnant Limestone (the United Kingdom)
Hirnant Limestone is located in Wales
Hirnant Limestone
Hirnant Limestone
Hirnant Limestone (Wales)

See also

edit

References

edit
  1. ^ Hirnant Limestone at Fossilworks.org
  2. ^ "Hirnant Limestone Member". British Geographical Survey.

Further reading

edit