Itombe Formation

Itombe Formation
Stratigraphic range: Turonian
~90 Ma

PreЄ

Є

O

S

D

C

P

T

J

K

Pg

N

↓
Itombe Formation; Stratigraphic range: Turonian; ~90 Ma PreЄ Є O S D C P T J K Pg N ↓
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°ECoordinates: 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]

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.