Ghazalat-1 well, 4a (Cretaceous of Egypt)

Where: Western Desert, Egypt (29.0° N, 29.0° E: paleocoordinates 10.3° N, 23.9° E)

• coordinate estimated from map

When: Abu Roash Formation, Turonian (93.9 - 89.8 Ma)

Environment/lithology: transition zone or lower shoreface; lithified, calcareous limestone and lithified, calcareous shale

• Represented by the lower part, which could be attributed to the G, F and E Members. Generally, it consists of limestone, shaly limestone and shale interbeds. The age of the Abu Roash "G" Member is late Cenomanian (Hantar, 1990; E1-Shamma and Arafa, 1992; Schrank and Ibrahim, 1995), while the F and E Members are of Turonian age (Hantar, 1990).

Size class: microfossils

Preservation: soft parts, original sporopollenin

Primary reference: M. I. A. Ibrahim. 1996. Aptian-Turonian palynology of the Ghazalat-1 well (GTX-1), Qattara Depression, Egypt. Review of Palaeobotany and Palynology 94:137-168 [C. Jaramillo/G. Doria/A. Cardenas ]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 142213: authorized by Carlos Jaramillo, entered by Gabriela Doria on 07.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
unclassified
  -
Cyathldites australis, Tnporites spp., Foveomorphomonocolpites rashadi
Cycadopsida
 Gnetales -
Steevesipollenites cf. binodosus
Nyssapollenites
  -
Nyssapollenites albertensis
Foveotricolpites
  -
Foveotricolpites gigantoreticulatas, Foveotricolpites giganteus
Magnoliopsida
  -
Gemmatricolpites gemmatus, Rousea delicipollis, Rousea miculipollis
Rousea delicipollis Srivastava 1977
Rousea miculipollis Srivastava 1975
Angiospermae
 Austrobaileyales - Trimeniaceae
Cretacaeiporites mullerii
 Mesangiosperms - Arecaceae
Arecipites "sp. A"
Arecipites "sp. A" Nichols et al. 1973 palm
 Caryophyllales - Droseraceae
Droseridites baculatus
 Gunnerales -
Tricolpites spp., Tricolpites (cf. Foveotricolpites) irregularis
Tricolpites spp. Couper 1953
  -
Retimonocolpites eckarti
 Malpighiales - Euphorbiaceae
Tricolporopollenites spp., Tricolporopollenites distinctus
Tricolporopollenites spp. Thomson and Pflug 1953 spurge
Polypodiopsida
 Gleicheniales - Polypodiidae
Dictyophyllidites harrisii
Pteridopsida
  -
Deltoidospora diaphana, Deltoidospora hallii
Deltoidospora diaphana Wilson and Webster 1946
Ginkgoopsida
 Ephedrales -
Ephedripites spp.
Ephedripites spp. Bolkhovitina and Potonié 1958
Cycadopsida
 Gnetales -
Steevesipollenites spp.
Steevesipollenites spp. Stover 1964 cycads