The Saltwick Formation is a Middle Jurassic geologic formation in Yorkshire and the western North Sea. It is primarily Aalenian in age. Fossil footprints, assigned to the tetrapod ichnogenus Characichnos, as well as stegosaur tracks have been reported from the formation.[1][2] An indeterminate sauropod, nicknamed Alan, has also been reported from the formation.[3]
| Saltwick Formation | |
|---|---|
| Stratigraphic range: | |
 Exposure of the Saltwick Formation at Eston Nab Quarry | |
| Type | Geological formation |
| Unit of | Ravenscar Group |
| Underlies | Eller Beck Formation |
| Overlies | Dogger Formation |
| Thickness | up to 50 m, thinning to 5-10 m |
| Lithology | |
| Primary | Mudstone, Siltstone, Sandstone |
| Other | Ironstone |
| Location | |
| Region | Europe |
| Country |  UK |
| Extent | Cleveland Basin, Yorkshire |
| Type section | |
| Named for | Saltwick Bay |
See also
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Footnotes
edit- ^ Whyte, M. A.; Romano, M. (1 September 2001). "A Dinosaur Ichnocoenosis From the Middle Jurassic of Yorkshire, UK". Ichnos. 8 (3–4): 223–234. Bibcode:2001Ichno...8..223W. doi:10.1080/10420940109380189. ISSN 1042-0940. S2CID 128891012.
- ^ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 517-607.
- ^ Manning, Phillip L.; Egerton, Victoria M.; Romano, Mike (1 June 2015). "A New Sauropod Dinosaur from the Middle Jurassic of the United Kingdom". PLOS ONE. 10 (6): e0128107. Bibcode:2015PLoSO..1028107M. doi:10.1371/journal.pone.0128107. ISSN 1932-6203. PMC 4452486. PMID 26030865.
References
edit- Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.
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