Hempstead Cliff, Hempstead Series (bed 3), Isle of Wight: Late/Upper Eocene, United Kingdom
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Cypridae sp.
Baird 1846
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Plantae indet.
Haeckel 1866
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| impressions of plants | ||||||||||
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Carpolithes ovulum seed/fruit
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Gastropoda
- Viviparidae
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Paludina lenta
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Gastropoda
- Thiaridae
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Melania fasciata
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| synonym of Thiara | ||||||||||
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Bivalvia
- Unionida
- Unionidae
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Unio gibbsii
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Actinopteri
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Teleostei indet.
Müller 1846
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| see common names | ||||||||||
Geography
| Country: | United Kingdom | State/province: | England |
| Coordinates: | 50.7° North, 1.5° West (view map) | ||
| Paleocoordinates: | 49.2° North, 5.3° West | ||
| Basis of coordinate: | estimated from map | ||
| Geographic resolution: | local area |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Priabonian | 10 m.y. bin: | Cenozoic 3 |
| Key time interval: | Late/Upper Eocene | ||
| Age range of interval: | 37.71000 - 33.90000 m.y. ago |
Stratigraphy
| Formation: | Hempstead | Local bed: | 3 | ||
| Local order: | top to bottom | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: bed thickness is approx. 50 ft. Forbes calls this the "middle freshwater and estuary marls" | |||||
Lithology and environment
| Primary lithology: | concretionary,ferruginous argillaceous marl |
| Secondary lithology: | concretionary,ferruginous,green,yellow,blue calcareous claystone |
| Includes fossils? | Y |
| Lithology description: This bed is alternating blue, green, and ferruginous shaly clays divided by shell and seed beds and beds of concretions (clay and ironstone), shaly clays and mottled marls (yellowish) compose the rest of the series . The Hempstead Strata are shales and marls with a variety of colors (green, blue, red, yellow, gray) and some feruginous concretions. | |
| Environment: | estuary/bay |
Taphonomy
| Modes of preservation: | body,concretion,replaced with pyrite |
| Size of fossils: | macrofossils |
Collection methods and comments
| Collection methods: | field collection |
| Reason for describing collection: | taxonomic analysis |
| Taxonomic list comments:Forbes notes that many fragments of turtle and similar remains are strewn about below the outcrop and might be derived from this bed | |
Metadata
| Database number: | 40270 | ||
| Authorizer: | J. Alroy | Enterer: | E. Leckey |
| Modifier: | J. Alroy | Research group: | paleobotany,vertebrate |
| Created: | 2004-06-21 11:16:13 | Last modified: | 2005-08-18 19:32:45 |
| Access level: | the public | Released: | 2004-06-21 11:16:13 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 10868. | E. Forbes. 1856. On the Tertiary fluvio-marine formation of the Isle of Wight. Memoirs of the Geological Survey of Great Britain, and of the Museum of Practical Geology 1-162 [J. Alroy/E. Leckey/E. Leckey] |