Hirnant Limestone
Geologial formation in United Kingdom
| Hirnant Limestone | |
|---|---|
| Stratigraphic range: Hirnantian ~446–444 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
| Type | Formation |
| Lithology | |
| Primary | Limestone |
| Location | |
| Coordinates |    Hirnant Limestone (the United Kingdom) Show map of the United Kingdom Hirnant Limestone (Wales) Show map of Wales |
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]
See also
References
- ^ Hirnant Limestone at Fossilworks.org
- ^ https://data.bgs.ac.uk/id/Lexicon/NamedRockUnit/HIR
Further reading
- J. T. Temple. 1965. Upper Ordovician-Brachiopods from Poland and Britain. Acta Paleontologica Polonica 10:379-450
- J. W. Salter (5 May 1867). "Bala and Hirnant Limestone". Geological Magazine. Vol. 4, no. 3. pp. 233–234. doi:10.1017/S0016756800204548.
- Adam Sedgwick (1848). On the older Palaeozoic (protozoic) rocks of North Wales in Proc.Geol.Soc, London, Vol.4.
