Qurn, Helwan (Wadi Rayan Formation), Egypt -Tawadros (2001): Lutetian, Egypt
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Ostreida
- Ostreidae
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Nicaisolopha clotbeyi
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Bivalvia
- Pectinida
- Plicatulidae
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Plicatula polymorpha
Bellardi 1854
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| see common names | |||||||
Geography
| Country: | Egypt |
| Coordinates: | 29.9° North, 31.3° East (view map) |
| Paleocoordinates: | 22.3° North, 26.4° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | local area |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Lutetian | 10 m.y. bin: | Cenozoic 2 |
| Key time interval: | Lutetian | ||
| Age range of interval: | 47.80000 - 41.20000 m.y. ago |
Stratigraphy
| Formation: | Wadi Rayan | ||||
| Regional section: | Helwan | ||||
| Stratigraphic resolution: | bed | ||||
| Stratigraphy comments: Wadi Rayan Formation is upper Lutetian (Eocene) and largely composed of glauconitic limestones. Wadi Rayan Formation is correlated to the Tanka Formation in the Gulk of Suez. At the type locality the Wadi Rayan Formation is made up of 25 m (82 ft) section of poorly fossiliferous sandy shales with a hard, highly fossiliferous middle bed containing the collection. | |||||
Lithology and environment
| Primary lithology: | shelly/skeletal lithified sandy "shale" |
| Includes fossils? | Y |
| Lithology description: Hard, highly fossiliferous sandy shales | |
| Environment: | carbonate indet. |
| Geology comments: No environmental data reported. | |
Taphonomy
| Modes of preservation: | body |
| Size of fossils: | macrofossils,microfossils |
Collection methods and comments
| Collection methods: | survey of museum collection |
| Reason for describing collection: | general faunal/floral analysis |
| Taxonomic list comments:Comprises taxa mentioned in text as typical of formation, including molluscs and forams. Page 139 of Tawadros (2001) | |
Metadata
| Also known as: | Wadi Rayan Formation, Qurn, Helwan | ||
| Database number: | 41914 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2004-07-21 23:23:57 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2004-07-21 23:23:57 |
| Creative Commons license: | CC BY | ||
Reference information
Primary reference:
| 11199. | E. E. Tawadros. 2001. Geology of Egypt and Libya 1-468 [A. Miller/A. Hendy/M. Clapham] |