Shaqra Group (Hanifa Fm.): Oxfordian, Saudi Arabia

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Rhynchonellata - Rhynchonellida - Tetrarhynchiidae
Echinoidea - Hemicidaridae
Crinoidea - Millericrinida - Millericrinidae
=Crinoidea,Koenig (1845) unpubl.,Agassiz (1836)
see common names

Geography
Country:Saudi Arabia
Coordinates: 25.8° North, 45.2° East (view map)
Paleocoordinates:5.7° South, 44.4° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Jurassic Epoch: Late Jurassic
Stage: Oxfordian 10 m.y. bin: Jurassic 5
Key time interval: Oxfordian
Age range of interval: 161.5 - 154.8 m.y. ago
Stratigraphy
Geological group:Shaqra Formation:Hanifa Member:Hawtah Mb.4
Local section:Coupe du Khashm al Furuthi
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 Hanifa Formation consisting of a lower carbonate and clayey part with more confined environment and a more calcareous and locally reefal upper part shows a further transgressive trend.
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:46305
Authorizer:F. Fursich Enterer:S. Hicks
Modifier:S. Hicks Research group:marine invertebrate
Created:2005-01-10 10:49:59 Last modified:2025-02-22 15:12:02
Access level:the public Released:2005-01-10 10:49:59
Creative Commons license:CC0
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]