Quseir Formation
The Quseir Formation is a Geological Formation in the vicinity of the Kharga Oasis in Egypt. It is Campanian In age.[1] The lithology largely consists of soft shale with hard bands of sandstone, siltstone and phosphorite.[2] The environment of deposition was nearshore to freshwater fluvio-lacustrine characterized by moist and aquatic habitats with a tropical warm-humid climate. It is conformably overlain by the marine late Campanian-Maastrichtian Duwi Formation, and unconformably overlies the Turonian Taref Formation. The dinosaur Mansourasaurus was discovered in the formation.,[3] Additionally the lungfish genera Lavocatodus and Protopterus [4] and the Crocodyliform Wahasuchus[5] are also known.
| Quseir Formation Stratigraphic range: Campanian | |
|---|---|
| Type | Geological formation |
| Sub-units | Mut Member, El Hindaw Member |
| Underlies | Duwi Formation |
| Overlies | Unconformity with Taref Formation |
| Thickness | at least 250 metres (820 ft) |
| Lithology | |
| Primary | Shale |
| Other | Sandstone, siltstone, phosphorite |
| Location | |
| Location | Al Wadi al Jadid, New Valley |
| Coordinates | 25.6°N 29.1°E |
| Approximate paleocoordinates | 9.3°N 24.9°E |
| Region | Kharga Oasis |
| Country |  |
  Quseir Formation (Egypt) | |
References
- Mahmoud, Magdy S. (April 2003). "Palynology and palaeoenvironment of the Quseir Formation (Campanian) from central Egypt". Journal of African Earth Sciences. 36 (3): 135–148. doi:10.1016/s0899-5362(03)00047-2. ISSN 1464-343X.
- Sallam, Hesham M.; O'Connor, Patrick M.; Kora, Mahmoud; Sertich, Joseph J.W.; Seiffert, Erik R.; Faris, Mahmoud; Ouda, Khaled; El-Dawoudi, Iman; Saber, Sara (May 2016). "Vertebrate paleontological exploration of the Upper Cretaceous succession in the Dakhla and Kharga Oases, Western Desert, Egypt". Journal of African Earth Sciences. 117: 223–234. doi:10.1016/j.jafrearsci.2016.01.022. ISSN 1464-343X.
- Sallam, Hesham M.; Gorscak, Eric; O’Connor, Patrick M.; El-Dawoudi, Iman A.; El-Sayed, Sanaa; Saber, Sara; Kora, Mahmoud A.; Sertich, Joseph J. W.; Seiffert, Erik R. (2018-01-29). "New Egyptian sauropod reveals Late Cretaceous dinosaur dispersal between Europe and Africa". Nature Ecology & Evolution. 2 (3): 445–451. doi:10.1038/s41559-017-0455-5. ISSN 2397-334X. PMID 29379183.
- Claeson, Kerin M; Sallam, Hesham M; O'Connor, Patrick M.; Sertich, Joseph J. W. (2014). "A revision of the Upper Cretaceous lepidosirenid lungfishes from the Quseir Formation, Western Desert, central Egypt". Journal of Vertebrate Paleontology. 34 (4): 760–766. doi:10.1080/02724634.2014.838574.
- Saber, Sara; Sertich, Joseph J.W.; Sallam, Hesham M.; Ouda, Khaled A.; O'Connor, Patrick M.; Seiffert, Erik R. (October 2018). "An enigmatic crocodyliform from the Upper Cretaceous Quseir Formation, central Egypt". Cretaceous Research. 90: 174–184. doi:10.1016/j.cretres.2018.04.004. ISSN 0195-6671.
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