Shaqra Group (Dhruma Fm.): Bajocian, Saudi Arabia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Progonocythere sp.
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| =Ostrac. | ||||||||||
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Ostracoda
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Amicytheridea dierallaensis
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| =Ostrac. | ||||||||||
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Ostracoda
- Podocopida
- Progonocytheridae
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Kinkelinella sp.
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Ostracoda
- Podocopida
- Bairdiidae
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Bairdia cf. hilda
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Ostracoda
- Podocopida
- Candonidae
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Paracypris sp.
Sars 1866
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Ostracoda
- Podocopida
- Cytherideidae
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Schuleridea triangularis
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Ostracoda
- Platycopida
- Cytherellidae
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Cytherella aff. index
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Cytherella sp.
Jones 1849
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Nodosariata
- Vaginulinida
- Lagenidae
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Lingulina sp.
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Nodosariata
- Vaginulinida
- Vaginulinidae
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Lenticulina sp.
Lamarck 1804
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Prolixoplectidae
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Riyadhella rotundata
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Riyadhella cf. arabica
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Nautiloculinidae
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Nautiloculina oolithica
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Globotextulariidae
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Pseudomarssonella sp.
Redmond 1965
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Pseudomarssonella biangulata
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unclassified
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Cytherina sp.
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| =Ostrac. | ||||||||||
| see common names | ||||||||||
Geography
| Country: | Saudi Arabia |
| Coordinates: | 23.5° North, 46.0° East (view map) |
| Paleocoordinates: | 2.4° South, 33.3° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Bajocian | 10 m.y. bin: | Jurassic 4 |
| Key time interval: | Bajocian | ||
| Age range of interval: | 170.90000 - 168.20000 m.y. ago |
Stratigraphy
| Geological group: | Shaqra | Formation: | Dhruma |
| Local section: | Coupe du Wadi al Hawtah | Local bed: | D2,1b |
| Local order: | bottom to top |
Lithology and environment
| Primary lithology: | lithified "limestone" | ||
| Includes fossils? | Y | ||
| Environment: | lagoonal/restricted shallow subtidal | Tectonic setting: | cratonic basin |
| Geology comments: The Dhruma Fm. essentially is composed of limestones and clayey rocks in its central outcrop zone but passes to detrial facies northwards and southwards. | |||
Taphonomy
| Size of fossils: | macrofossils,microfossils |
Collection methods and comments
| Collection methods: | bulk,mechanical,field collection |
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 48041 | ||
| Authorizer: | F. Fursich | Enterer: | S. Hicks |
| Modifier: | S. Hicks | Research group: | marine invertebrate |
| Created: | 2005-03-11 03:55:53 | Last modified: | 2005-03-15 06:19:43 |
| Access level: | the public | Released: | 2005-03-11 03:55:53 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 11728. | J. Manivit, Y.-M. Le Nindre, and D. Vaslet. 1990. Le Jurassique D`Arabie Centrale. Document du BRGM 4(194):25-519 [F. Fursich/S. Hicks/W. Kiessling] |