Ghazalat-1 well, 13a (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 142199: authorized by Carlos Jaramillo, entered by Gabriela Doria on 07.04.2013

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Ostracoda
 Palaeocopida -
Circulina parva Brenner 1963 ostracod
Schrankipollis mawhoubensis
  -
Psilamonocolpites
  -
Psilamonocolpites spp. Van der Hammen and Garcia de Mutis 1966
Brenneripollis
  -
Pinopsida
 Pinales - Araucariaceae
Balmeisporites holodictyus Cookson and Dettmann 1958
 Pinales - Cheirolepidiaceae
 Pinales -
Ginkgoopsida
 Ephedrales - Ephedraceae
Ephedripites spp. Bolkhovitina and Potonié 1958 jointfir
Ephedripites ovalis Müller 1968 jointfir
Retimonocolpites
  -
"Brenneripollis reticulatus" = Retimonocolpites reticulatus, Retimonocolpites saadii
"Brenneripollis reticulatus" = Retimonocolpites reticulatus Doyle 1975
Afropollis zonatus
  -
Afropollis aff. zonatus Doyle et al. 1982
Afropollis zonatus Doyle et al. 1982
Afropollis operculatus
  -
Afropollis operculatus Doyle et al. 1982
Afropollis jardinus
  -
Afropollis aff. jardinus Doyle et al. 1982
Monocotyledoneae
  -
Cycadopsida
 Cycadales -
Eucommiidites spp. Erdtman 1948 cycads
Concavisporites
  -
Concavisporites spp. Delcourt and Sprumont 1955
Murospora
  -
Murospora spp. Somers 1952
Pteridopsida
  -
 Schizaeales -
 Schizaeales - Schizaeaceae
 Gleicheniales - Matoniaceae
 Polypodiales - Pteridaceae
Contignisporites sp. Dettmann 1963
  -
Deltoidospora diaphana Wilson and Webster 1946
Cibotiumspora
  -
Lycopsida
  -
Leptolepidites spp. Couper 1953
Trilobosporites
  -
Magnoliopsida
 Magnoliales - Chloranthaceae
  -
Echimonocolpites spp. der Hammen and de Mutis 1965
Tricolpites spp. Potonié 1960
Perotriletes
  -
Perotriletes spp. Reyre 1966
Pinidae
 Cupressales - Pinidae