Rock from the Skiddaw Group, of Ordovician (Tremadocian) age, at Scawgill Bridge quarry in Cumbria, England, UK.
Informations
- Auteur
- Graeme Churchard (GOC53) https://www.flickr.com/people/graeme/
- Licence
- CC BY 2.0
- Source
- Wikimedia
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