Al Sawad Section (20), BR560: Aalenian, Oman

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Protozoa - Spumellaria - Hagiastridae
Higumastra sp. Baumgartner 1980
Archaeohagiastrum cf. longipes Baumgartner 1995
Protozoa - Xiphostylidae
Tripocyclia yaoi
Protozoa - Nassellaria - Parvicingulidae
Triversus cf. spinifer Takemura 1986
recombined as Praeparvicingula spinifera
Elodium pessagnoi
Protozoa - Nassellaria - Hsuidae
? Parahsuum magnum
Protozoa - Nassellaria
Ares sp. De Wever 1982
see common names

Geography
Country:Oman
Coordinates: 23.0° North, 57.8° East (view map)
Paleocoordinates:6.4° South, 43.4° East
Basis of coordinate:stated in text
Geographic resolution:hand sample
Time
Period:Jurassic Epoch:Middle Jurassic
Stage:Aalenian 10 m.y. bin:Jurassic 3
Key time interval:Aalenian
Age range of interval:174.70000 - 170.90000 m.y. ago
Stratigraphy
Formation:Guwayza Member:Tawi Sadh
Stratigraphic resolution:bed
Lithology and environment
Primary lithology:gray,green lithified chert
Secondary lithology:gray,green lithified "shale"
Includes fossils?Y
Includes fossils?Y
Lithology description: Grey/greenish chert, shale and brown weathering calcarenite
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:microfossils
Collection methods and comments
Reason for describing collection:biostratigraphic analysis
Metadata
Database number:125206
Authorizer:J. Pálfy Enterer:A. Kocsis
Created:2012-03-06 23:33:10 Last modified:2012-03-06 06:33:10
Access level:the public Released:2012-03-06 23:33:10
Creative Commons license:CC BY
Reference information

Primary reference:
40646. I. Blechschmidt, P. Dumitrica, A. Matter, L. Krystyn, and T. Peters. 2004. Stratigraphic architecture of the northern Oman continental margin - Mesozoic Hamrat Duru Group Hawasina complex, Oman. GeoArabia 9(2):81-132 [J. Pálfy/A. Kocsis]