Gebel Gehannam (Birket Qarun Formation), Egypt -Tawadros (2001): Bartonian, Egypt
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Bivalvia
- Ostreida
- Ostreidae
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Ostrea reili
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Ostrea longirostris
Lamarck 1806
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| synonym of Ostrea roncana | |||||||
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Ostrea fraasi
Mayer-Eymar 1888
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Ostrea multicostata
Deshayes 1832
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| recombined as Cubitostrea multicostata | |||||||
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Bivalvia
- Pectinida
- Anomiidae
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Carolia placunoides
Cantraine 1838
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Nummulitidae
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Nummulites beaumonti
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Nummulites contortus
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Nummulites striatus
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Nummulites atacius
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Operculina cf. discoidea
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| see common names | |||||||
Geography
| Country: | Egypt |
| Coordinates: | 29.3° North, 30.2° East (view map) |
| Paleocoordinates: | 23.5° North, 25.5° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | local area |
Time
| Period: | Paleogene | Epoch: | Eocene |
| Stage: | Bartonian | 10 m.y. bin: | Cenozoic 3 |
| Key time interval: | Bartonian | ||
| Age range of interval: | 41.20000 - 37.71000 m.y. ago |
Stratigraphy
| Formation: | Birket Qarun | ||||
| Stratigraphic resolution: | group of beds | ||||
| Stratigraphy comments: Overlies the Gehannam Formation. Is 50 m thick (164 ft) thick, and comprises sandstones, with shale intercalations at the base and fossiliferous limestones at the top. Has been assigned a Lower Bartonian age. | |||||
Lithology and environment
| Primary lithology: | planar lamination lithified silty sandstone |
| Secondary lithology: | shelly/skeletal "limestone" |
| Includes fossils? | Y |
| Includes fossils? | Y |
| Lithology description: Comprises sandstones, with shale intercalations at the base and fossiliferous limestones at the top. | |
| Environment: | marine 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 140 of Tawadros (2001) | |
Metadata
| Also known as: | Birket Qarun Formation, Gebel Gehannam | ||
| Database number: | 41915 | ||
| Authorizer: | A. Hendy | Enterer: | A. Hendy |
| Modifier: | A. Hendy | Research group: | marine invertebrate |
| Created: | 2004-07-21 23:26:11 | Last modified: | 2013-11-25 13:37:23 |
| Access level: | the public | Released: | 2004-07-21 23:26:11 |
| 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] |