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Aust Cliff
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Aust Cliff (grid reference ST565894) is a 5.3 hectare geological Site of Special Scientific Interest adjacent to the Severn Estuary, near the village of Aust, South Gloucestershire, notified in 1954. The Severn Bridge crosses the cliff.
Key Information
Its SSSI designation is due to the presence of fossil beds. The site is famous for its Rhaetic bone bed, and is also the most productive locality in Britain for Triassic insects.
The lower part of the cliff is a red mudstone, with bands of nodules of pinkish-white alabaster. Above the red mudstone is green mudstone, followed by the Rhaetic bone bed at the base of a band of black shale. Above the shale are cream-coloured limestone beds.[1]
Paleofauna
[edit]| Pterosaurs of Aust Cliff | ||||
|---|---|---|---|---|
| Taxa | Abundance | Notes | Images | |
|
Genus:
|
 Dimorphodon | |||
References
[edit]- ^ The story of landscape and geology in South Gloucestershire Archived 2008-09-08 at the Wayback Machine p.16
- ^ a b Wellnhofer, Peter (1991). "Summary of Lower Jurassic Pterosaurs." The Illustrated Encyclopedia of Pterosaurs. London, UK: Salamander Books Limited. p. 79. ISBN 0-86101-566-5.
External links
[edit]- English Nature citation sheet for the SSSI (accessed 9 July 2006)
 | This article about a Site of Special Scientific Interest in England is a stub. You can help Wikipedia by expanding it. |