Ghazalat-1 well, S. 4 (Cretaceous of Egypt)

Where: Western Desert, Egypt (29.0° N, 29.0° E: paleocoordinates 6.5° N, 25.0° E)

• coordinate estimated from map

When: Alamein Formation, Aptian (125.0 - 113.0 Ma)

Environment/lithology: terrestrial; lithified, argillaceous shale and lithified, calcareous dolomite

• Thin carbonate beds, mainly dolomites interca- lated with shales, conformably overlie the clastics of the Alam El Bueib Formation, and underlie the clastics of the Dahab or Kharita Formations. The age of the Alamein Formation is Aptian

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 142200: authorized by Carlos Jaramillo, entered by Gabriela Doria on 07.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Equisetopsida
 Pinidae - Pinidae
Balmeisporites holodictyus Cookson and Dettmann 1958
 Cupressales - Pinidae
 Pinidae - Pinidae
Psilamonocolpites
  -
Psilamonocolpites spp. Van der Hammen and Garcia de Mutis 1966
Brenneripollis
  -
Schrankipollis mawhoubensis
  -
Trilobosporites
  -
Cibotiumspora
  -
Concavisporites
  -
Concavisporites spp. Delcourt and Sprumont 1955
Pteridopsida
  -
Deltoidospora diaphana Wilson and Webster 1946
Cyathidites minor Couper 1953
Todisporites major Couper 1953
Todisporites minor Couper 1953
Polypodiopsida
  - Gleicheniaceae
 Polypodiales - Polypodiidae
Contignisporites sp. Dettmann 1963
 Gleicheniales - Polypodiidae
 Schizaeales - Polypodiidae
  - Blechnaceae
  -
Biretisporites potoniaei Delcourt and Sprumont 1955
Murospora
  -
Murospora spp. Somers 1952
Cycadopites
  -
Concavissimisporites
  -
Ginkgoopsida
 Ephedrales -
Ephedripites spp. Bolkhovitina and Potonié 1958
Angiospermae
  -
"Brenneripollis reticulatus" = Retimonocolpites reticulatus, Retimonocolpites saadii
"Brenneripollis reticulatus" = Retimonocolpites reticulatus Doyle 1975
 Gunnerales -
Tricolpites spp. Couper 1953
  -
Afropollis zonatus Doyle et al. 1982
Afropollis operculatus Doyle et al. 1982
Afropollis aff. jardinus Doyle et al. 1982
 Coniferales - Podocarpaceae
Callialasporites trilobatus Balme 1957 podocarp
Callialasporites dampieri Balme 1957 podocarp
 Coniferales -
Circulina parva Brenner 1963
Magnoliopsida
  -
Echimonocolpites spp. der Hammen and de Mutis 1965