| Croisaphuill Formation | |
|---|---|
| Stratigraphic range: Ordovician (Tulean) ~ | |
| Type | Formation | 
| Unit of | Durness Group | 
| Lithology | |
| Primary | Limestone | 
| Other | Chert | 
| Location | |
| Region | Scotland | 
| Country |  United Kingdom | 
The Croisaphuill Formation is a geologic formation in Scotland. It preserves fossils dating back to the Ordovician period.
See also
References
Further reading
- D.H. Evans. 2011. The Lower Ordovician cephalopod faunas of the Durness Group, North-West Scotland. Monograph of the Palaeontographical Society, London 165:1-131
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