West Tiba-1, Zone PII, Sample 12: Hauterivian, Egypt
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
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unclassified
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Concavissimisporites variverrucatus
Brenner 1963
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Rare category | ||||||
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Cycadopites spp.
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Rare category | ||||||
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Pteridopsida
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Ischyosporites spp.
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Rare category | ||||||
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Deltoidospora spp.
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Abundant category | ||||||
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Osmundacidites wellmanfi
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Rare category | ||||||
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unclassified
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Concavisporites sp.
Delcourt and Sprumont 1955
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Common category | ||||||
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Pilosisporites sp.
Delcourt and Sprumont 1955
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Rare category | ||||||
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Polypodiopsida
- Schizaeales
- Schizaeaceae
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Cicatricosisporites spo
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Rare category | ||||||
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Polypodiopsida
- Marsileaceae
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Crybelosporites sp.
Dettmann 1963
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Rare category | ||||||
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Polypodiopsida
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Biretisporites potoniaei
Delcourt and Sprumont 1955
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Rare category | ||||||
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Polypodiopsida
- Gleicheniaceae
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Gleicheniidites spp.
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Rare category | ||||||
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Marchantiopsida
- Sphaerocarpales
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Aequitriradites verrucosus
(Cookson and Dettmann 1958)
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Rare category | ||||||
| original and current combination Cirratriradites verrucosus | |||||||
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Angiospermae
- Austrobaileyales
- Trimeniaceae
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Cretacaeiporites densimurus
Schrank and Ibrahim 1995
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Coniferales
- Podocarpaceae
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Callialasporites dampieri
(Balme 1957)
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Present category | ||||||
| original and current combination Zonallapollenites dampieri | |||||||
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Callialasporites trilobatus
(Balme 1957)
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Rare category | ||||||
| original and current combination Tsugaepollenites trilobatus | |||||||
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Equisetopsida
- Araucariaceae
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Araucariacites sp.
Cookson and Couper 1953
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Abundant category | ||||||
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Balmeisporites sp.
Cookson and Dettmann 1958
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Present category | ||||||
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Equisetopsida
- Cheirolepidiaceae
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Classopollis sp.
Pflug 1953
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Abundant category | ||||||
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Equisetopsida
- Cupressales
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Inaperturopollenites spp.
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Present category | ||||||
| see common names | |||||||
Geography
| Country: | Egypt | State/province: | Western Desert |
| Coordinates: | 31.0° North, 27.8° East (view map) | ||
| Paleocoordinates: | 9.7° North, 24.8° East | ||
| Basis of coordinate: | estimated from map |
Time
| Period: | Cretaceous | Epoch: | Early/Lower Cretaceous |
| Stage: | Hauterivian | 10 m.y. bin: | Cretaceous 2 |
| Key time interval: | Hauterivian | ||
| Age range of interval: | 132.60000 - 125.77000 m.y. ago |
Stratigraphy
| Formation: | Burg El-Arab | Member: | Alam El-Beuib |
| Local section: | Burg El-Arab | Local bed: | 8680 ft |
| Local order: | top to bottom |
Lithology and environment
| Primary lithology: | lithified argillaceous claystone |
| Secondary lithology: | lithified argillaceous,silty "shale" |
| Environment: | terrestrial indet. |
Taphonomy
| Modes of preservation: | soft parts,original sporopollenin |
| Size of fossils: | microfossils |
Collection methods and comments
| Reason for describing collection: | biostratigraphic analysis |
Metadata
| Database number: | 139323 | ||
| Authorizer: | C. Jaramillo | Enterer: | G. Doria | Research group: | paleobotany |
| Subset of collection #: | 139303 | ||
| Created: | 2013-02-11 03:42:23 | Last modified: | 2013-02-10 10:42:23 |
| Access level: | the public | Released: | 2013-02-11 03:42:23 |
| Creative Commons license: | CC BY |
Reference information
Primary reference:
| 44781. | M. S. Mahmoud and A.-R. M. Moawad. 2000. Jurassic-Cretaceous (Bathonian to Cenomanian) palynology and stratigraphy of the West Tiba-1 borehole, northern Western Desert, Egypt. Journal of African Earth Sciences 30:401-416 [C. Jaramillo/G. Doria/M. Uhen] |