Abu Na'im - Gata Member, Wadi Tamet Formation: Lutetian, Libya

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Tubothalamea - Miliolida - Soritidae
Orbitolites complanatus
Tubothalamea - Miliolida - Fabulariidae
Fabularia luciani
Rotaliidae
Dictyoconoides cooki
Nummulitidae
Nummulites dicorbus
Nummulites uranensis
Nummulites aff. gizehensis
Cephalopoda - Nautilida - Nautilidae
Nautilus cf. leonei Negri 1934
recombined as Eutrephoceras leonei
Bivalvia - Pectinida - Anomiidae
Carolia cymbalea
[entered as Carolia cymalea]
Carolia placunoides Cantraine 1838
Bivalvia - Ostreida - Gryphaeidae
Exogyra exogyroides
Bivalvia - Ostreida - Ostreidae
Ostrea elegans Deshayes 1832
recombined as Cubitostrea elegans
Echinoidea - Clypeasteroida - Laganidae
Sismondia saemanni
Echinoidea - Echinolampadoida - Echinolampadidae
Echinolampas perrieri de Loriol 1880
Echinolampas fraasi de Loriol 1880
see common names

Geography
Country:Libya State/province:Ajdabiya
Coordinates: 28.9° North, 18.9° East (view map)
Paleocoordinates:22.1° North, 14.6° East
Basis of coordinate:stated in text
Geographic resolution:local area
Time
Period:Paleogene Epoch:Eocene
Stage:Lutetian 10 m.y. bin:Cenozoic 2
Key time interval:Lutetian
Age range of interval:47.80000 - 41.30000 m.y. ago
Stratigraphy
Formation:Wadi Tamet Member:Gata
Stratigraphic resolution:group of beds
Stratigraphy comments: The Gata member is made up predominantly of bioclastic limestones, chalk limestones, clayey limestones, and marlstones with few intercalations of dolomitized limestones. It has a thickness of 70-80 m (230-262 ft).
Lithology and environment
Primary lithology:dolomitic,shelly/skeletal lithified argillaceous "limestone"
Includes fossils?Y
Lithology description: Bioclastic limestones, chalk limestones, clayey limestones, and marlstones with few intercalations of dolomitized limestones.
Environment:carbonate indet.
Geology comments: No paleoenvironmental data provided.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,microfossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Collection method comments: No detailed collection data reported.
Taxonomic list comments:Collection based on taxa listed in text as typical of formation. Includes only mollusca, echinodermata, and foraminifera.
Metadata
Database number:42129
Authorizer:A. Hendy Enterer:A. Hendy
Modifier:A. Hendy Research group:marine invertebrate
Created:2004-07-24 01:28:30 Last modified:2013-11-25 13:37:23
Access level:the public Released:2004-07-24 01:28:30
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]