Hirnant Limestone
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| Hirnant Limestone | |
|---|---|
| Stratigraphic range: Hirnantian ~ | |
| Type | Formation |
| Lithology | |
| Primary | Limestone |
| Location | |
| Coordinates | 52°54′N 3°36′W / 52.9°N 3.6°W |
| Approximate paleocoordinates | 38°06′S 16°54′W / 38.1°S 16.9°W |
| Country | England, Wales |
Hirnant Limestone (the United Kingdom) Hirnant Limestone (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
- ↑ "Hirnant Limestone Member". British Geographical Survey.
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.