Ghazalat-1 well, 13B (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 142198: 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 | |
| Pteridopsida | |
Cyathidites minor, Todisporites minor, Todisporites major, Deltoidospora hallii, Deltoidospora diaphana
Cyathidites minor Couper 1953
Todisporites minor Couper 1953
Todisporites major Couper 1953
Deltoidospora hallii Miner 1935
Deltoidospora diaphana Wilson and Webster 1946 | |
| Cibotiumspora | |
|
Cibotiumspora juncta Zhang 1978 | |
| Polypodiopsida | |
|
Gleicheniidites senonicus Ross 1949 | |
|
Dictyophyllidites harrisii Couper 1958 | |
Cicatricosisporites australiensis, Cicatricosisporites orbiculatus, Cicatricosisporites hughesii, Cicatricosisporites hallei
Cicatricosisporites australiensis Potonié 1956
Cicatricosisporites orbiculatus Singh 1964
Cicatricosisporites hughesii Dettmann 1963
Cicatricosisporites hallei Delcourt and Sprumont 1955 | |
|
Contignisporites sp. Dettmann 1963 | |
|
Biretisporites potoniaei Delcourt and Sprumont 1955 | |
|
Leptolepidites spp. Couper 1953
Leptolepidites psarosus Norris 1969 | |
| Murospora | |
|
Murospora spp. Somers 1952 | |
| Concavisporites | |
|
Concavisporites spp. Delcourt and Sprumont 1955 | |
| Magnoliopsida | |
|
Echimonocolpites spp. der Hammen and de Mutis 1965 | |
|
Circulina parva Brenner 1963 | |
|
Callialasporites dampieri Balme 1957 podocarp
Callialasporites trilobatus Balme 1957 podocarp | |
| Angiospermae | |
Afropollis aff. zonatus, Afropollis zonatus, Afropollis aff. jardinus, Afropollis operculatus, Stellatopollis spp., "Brenneripollis reticulatus" = Retimonocolpites reticulatus, Retimonocolpites saadii
Afropollis aff. zonatus Doyle et al. 1982
Afropollis zonatus Doyle et al. 1982
Afropollis aff. jardinus Doyle et al. 1982
Afropollis operculatus Doyle et al. 1982
Stellatopollis spp. Doyle 1976
"Brenneripollis reticulatus" = Retimonocolpites reticulatus Doyle 1975
Retimonocolpites saadii Ibrahim 2002 | |
|
Clavatipollenites hughesii Kemp 1968 | |
|
Tricolpites spp. Couper 1953 | |
| Concavissimisporites | |
|
Concavissimisporites punctatus Pocock 1964 | |
| Ginkgoopsida | |
|
Ephedripites spp. Bolkhovitina and Potonié 1958
Ephedripites ovalis Müller 1968 | |
| Cycadopites | |
| Cycadopsida | |
|
Eucommiidites spp. Erdtman 1948 cycads | |
| Schrankipollis mawhoubensis | |
|
Schrankipollis cf. mawhoubensis Doyle et al. 1990 | |
| Brenneripollis | |
| Psilamonocolpites | |
|
Psilamonocolpites spp. Van der Hammen and Garcia de Mutis 1966 | |
| Equisetopsida | |
|
Balmeisporites holodictyus Cookson and Dettmann 1958
Araucariacites australis Cookson 1947
Classopollis classoides Pflug 1953 | |
"Spheripollenites psilatus" = Sphaeripollenites, Inaperturopollenites microgranulatus, Inaperturopollenites spp.
"Spheripollenites psilatus" = Sphaeripollenites
Inaperturopollenites spp. Potonié 1966 | |
| Perotriletes | |
|
Perotriletes spp. Reyre 1966 | |