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

Show authors, comments, and common names
unclassified
  -
Cyathldites australis
Brenneripollis
  -
Brenneripollis perorcticulatus
Psilamonocolpites
  -
Psilamonocolpites spp.
Psilamonocolpites spp. Van der Hammen and Garcia de Mutis 1966
Schrankipollis mawhoubensis
  -
Schrankipollis cf. mawhoubensis
Equisetopsida
 Pinidae - Pinidae
Araucariacites australis, Balmeisporites holodictyus, Classopollis classoides
Balmeisporites holodictyus Cookson and Dettmann 1958
 Cupressales - Pinidae
Inaperturopollenites microgranulatus, Inaperturopollenites spp., "Spheripollenites psilatus" = Sphaeripollenites
"Spheripollenites psilatus" = Sphaeripollenites
 Coniferales - Podocarpaceae
Callialasporites trilobatus, Callialasporites dampieri
Callialasporites trilobatus Balme 1957 podocarp
Callialasporites dampieri Balme 1957 podocarp
 Coniferales -
Circulina parva
Circulina parva Brenner 1963
Magnoliopsida
  -
Echimonocolpites spp.
Echimonocolpites spp. der Hammen and de Mutis 1965
Angiospermae
 Gunnerales -
Tricolpites spp.
Tricolpites spp. Couper 1953
  -
"Brenneripollis reticulatus" = Retimonocolpites reticulatus, Retimonocolpites saadii, Afropollis operculatus, Afropollis zonatus, Afropollis aff. jardinus, Stellatopollis spp.
"Brenneripollis reticulatus" = Retimonocolpites reticulatus Doyle 1975
Afropollis operculatus Doyle et al. 1982
Afropollis zonatus Doyle et al. 1982
Afropollis aff. jardinus Doyle et al. 1982
Stellatopollis spp. Doyle 1976
Concavisporites
  -
Concavisporites spp.
Concavisporites spp. Delcourt and Sprumont 1955
Trilobosporites
  -
Trilobosporites laevigatus
Cibotiumspora
  -
Cibotiumspora juncta
Polypodiopsida
  -
Biretisporites potoniaei
Biretisporites potoniaei Delcourt and Sprumont 1955
 Gleicheniales - Polypodiidae
Dictyophyllidites harrisii
 Schizaeales - Polypodiidae
Appendicisporites cf. giganticus, Cicatricosisporites reticulatus, Cicatricosisporites orbiculatus, Cicatricosisporites pseudotripartitus, Cicatricosisporites magnus, Cicatricosisporites australiensis, Cicatricosisporites hallei, Cicatricosisporites sinuosus, Cicatricosisporites hughesii
Appendicisporites cf. giganticus Groot and Groot 1962
Cicatricosisporites hallei Delcourt and Sprumont 1955
 Polypodiales - Polypodiidae
Contignisporites sp.
Contignisporites sp. Dettmann 1963
  - Blechnaceae
Leptolepidites spp., Leptolepidites psarosus
Leptolepidites spp. Couper 1953
  - Gleicheniaceae
Gleicheniidites senonicus
Pteridopsida
  -
Deltoidospora diaphana, Deltoidospora hallii, Cyathidites minor, Todisporites minor, Todisporites major
Deltoidospora diaphana Wilson and Webster 1946
Cyathidites minor Couper 1953
Todisporites minor Couper 1953
Todisporites major Couper 1953
Murospora
  -
Murospora spp.
Murospora spp. Somers 1952
Ginkgoopsida
 Ephedrales -
Ephedripites spp.
Ephedripites spp. Bolkhovitina and Potonié 1958
Cycadopites
  -
Cycadopites catpentieri
Concavissimisporites
  -
Concavissimisporites punctatus