Itombe Formation
| Itombe Formation | |
|---|---|
| Stratigraphic range: Turonian ~ | |
| Type | Geological formation |
| Unit of | Kwanza Basin |
| Sub-units | Tadi Beds |
| Underlies | N'Golome Marl |
| Overlies | Cabo Ledo & Massangano Formations |
| Thickness | up to 600 m (2,000 ft) |
| Lithology | |
| Primary | Shale |
| Other | Limestone, siltstone, sandstone |
| Location | |
| Coordinates | 8°12′S 13°12′E / 8.2°S 13.2°E |
| Approximate paleocoordinates | 23°00′S 1°24′E / 23.0°S 1.4°E |
| Region | Bengo |
| Country |  Angola |
The Itombe Formation is a geological formation in Angola dating back to the Turonian stage of the Late Cretaceous. The environment of deposition is shallow marine. Reptile fossils have been recovered from the Tadi beds locality within the formation, including the dinosaur Angolatitan,[1] the mosasaurs Angolasaurus and Mosasaurus iembeensis and the turtle Angolachelys.[2]
See also
References
- ^ Mateus, Octávio; Jacobs, Louis L.; Schulp, Anne S.; Polcyn, Michael J.; Tavares, Tatiana S.; Buta Neto, André; Morais, Maria Luísa; Antunes, Miguel T. (March 2011). "Angolatitan adamastor, a new sauropod dinosaur and the first record from Angola". Anais da Academia Brasileira de Ciências. 83 (1): 221–233. doi:10.1590/S0001-37652011000100012. ISSN 0001-3765.
- ^ Mateus, Octávio; Jacobs, Louis; Polcyn, Michael; Schulp, Anne S.; Vineyard, Diana; Buta Neto, André; Telles Antunes, Miguel (December 2009). "The Oldest African Eucryptodiran Turtle from the Cretaceous of Angola". Acta Palaeontologica Polonica. 54 (4): 581–588. doi:10.4202/app.2008.0063. ISSN 0567-7920.
Further reading
- M. T. Antunes. 1964. O Neocretacio e o Cenozoico do litoral de Angola. Junta de Investigcoes do Ultramar 1-254
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