Shaqra Group (Tuwaiq Mt.Lst.T1,2a): Callovian, Saudi Arabia
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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Pfenderinidae
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Kurnubia bramkampi
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Kurnubia palastinensis
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Praekurnubia crusei
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Globotextulariidae
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Pseudomarssonella sp.
Redmond 1965
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Nautiloculinidae
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Nautiloculina oolithica
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Trocholinidae
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Trocholina ex gr. elongata
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| =Foram. | ||||||||||
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Trocholina palastinensis
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| =Foram. | ||||||||||
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Nodosariata
- Vaginulinida
- Vaginulinidae
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Lenticulina sp.
Lamarck 1804
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Spirillinidae
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Spirillina sp.
Reuss 1862
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| see common names | ||||||||||
Geography
| Country: | Saudi Arabia |
| Coordinates: | 24.5° North, 46.4° East (view map) |
| Paleocoordinates: | 1.7° South, 34.0° East |
| Basis of coordinate: | stated in text |
| Geographic resolution: | outcrop |
Time
| Period: | Jurassic | Epoch: | Middle Jurassic |
| Stage: | Callovian | 10 m.y. bin: | Jurassic 5 |
| Key time interval: | Callovian | ||
| Age range of interval: | 165.30000 - 161.50000 m.y. ago |
Stratigraphy
| Geological group: | Shaqra | Formation: | Tuwaiq Mt.Lst. |
| Local section: | Khashm al Qaddiyah | Local bed: | T1,2a |
| Local order: | bottom to top |
Lithology and environment
| Primary lithology: | lithified "limestone" | ||
| Includes fossils? | Y | ||
| Lithology description: small layered white limestone and brown limestone | |||
| Environment: | lagoonal/restricted shallow subtidal | Tectonic setting: | cratonic basin |
| Geology comments: The Tuwaiq Mt. Lst. of middle to late Callovian age; locally clayey at the base; this predominantly calcareous formation determines the characteristic relief of central Arabia (Jabal Tuwayq); it is a reef platform. | |||
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: | 45551 | ||
| Authorizer: | F. Fursich | Enterer: | S. Hicks |
| Modifier: | S. Hicks | Research group: | marine invertebrate |
| Created: | 2004-11-07 10:21:57 | Last modified: | 2005-03-05 04:41:39 |
| Access level: | the public | Released: | 2004-11-07 10:21:57 |
| 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] |