Ferruginous Sands
Stratigraphic range: Early Cretaceous,
~116 Ma

PreЄ

The Ferruginous Sands at Chale Bay, Isle of Wight

Type| Formation
Unit of| Lower Greensand Group
Sub-units| Member IV, Member V, Member VI, Whale Chine Member, Member VIII, Ladder Chine Member, Member X, Member XI, Old Walpen Chine Member, New Walpen Chine Member, Member XIV and Member XV.
Underlies| Sandrock Formation
Overlies| Atherfield Clay Formation
Thickness| up to 161 metres
Lithology
Primary| Weakly cemented Mudstone and Sandstone
Location
Region| England
Country| United Kingdom
Extent| Isle of Wight, Dorset

Exposure of the Ferruginous Sands on the Isle of Wight, shown in Spring green

The Ferruginous Sands is a geologic formation in England. It preserves fossils dating back to the Aptian Stage of the Cretaceous period. It consists of "a number of heavily bioturbated coarsening-upward units each comprising dark grey sandy muds or muddy sands passing up into fine-to medium-grained grey to green glauconitic sands."[1] The dinosaur Vectaerovenator inopinatus is known from the formation.[2] Shark teeth are also known from the formation, including those of an indeterminate lamniform shark and Palaeospinax (formerly Synechodus).[3]

## See also

* List of fossiliferous stratigraphic units in England

## References

1. ↑ "Ferruginous Sands Formation". British Geological Survey. http://www.bgs.ac.uk/lexicon/lexicon.cfm?pub=FRS.
2. ↑ Barker, Chris; Naish, Darren; Clarkin, Claire; Hullman, Gabriel; Schneider, Philipp; Gostling, Neil; Farrell, Paul; Ward, Robin et al. (2020) (in en). Dryad Data -- Data from: A highly pneumatic 'mid Cretaceous' theropod from the British Lower Greensand. Dryad. doi:10.5061/dryad.8cz8w9gmj. https://datadryad.org/stash/dataset/doi:10.5061/dryad.8cz8w9gmj.
3. ↑ Batchelor, Trevor J.; Duffin, Christopher J. (July 2019). "First description of sharks' teeth from the Ferruginous Sands Formation (Aptian, Early Cretaceous) of the Isle of Wight" (in en). Proceedings of the Geologists' Association 131 (3–4): 353–359. doi:10.1016/j.pgeola.2019.06.004. https://linkinghub.elsevier.com/retrieve/pii/S0016787819300598.

* ((Various Contributors to the Paleobiology Database)). "Fossilworks: Gateway to the Paleobiology Database". https://www.fossilworks.org.

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