Ankarafantsika Formation
| Ankarafantsika Formation | |
|---|---|
| Stratigraphic range: Cenomanian | |
| Type | Geological formation |
| Underlies | Basalt |
| Lithology | |
| Primary | Sandstone |
| Location | |
| Coordinates | 16°24′S 46°54′E / 16.4°S 46.9°E |
| Approximate paleocoordinates | 37°48′S 36°36′E / 37.8°S 36.6°E |
| Region | Boeny, Mahajanga Province |
| Country |  Madagascar |
| Extent | Mahajanga Basin |
| Type section | |
| Named for | Ankarafantsika National Park |
  Location of the formation in Madagascar | |
The Ankarafantsika Formation is a Late Cretaceous (Cenomanian) geologic formation of the Mahajanga Basin in the Boeny region of Madagascar, Africa. The fine-grained sandstones of the formation were deposited in a fluvial to lacustrine environment.[1][2]
Fossil content
[edit]The following fossils have been reported from the formation:
See also
[edit]- List of dinosaur-bearing rock formations
- List of stratigraphic units with indeterminate dinosaur fossils
- List of fossiliferous stratigraphic units in Madagascar
- Geology of Madagascar
References
[edit]- ^ a b Southeast of Marovoay at Fossilworks.org
- ^ N. J. Mateer, P. Wycisk, L. L. Jacobs, M. Brunet, P. Luger, M. A. Arush, F. Hendriks, T. WEissbrod, G. Gvirtzman, E. Mbede, A. Dina, R. T. J. Moody, G. Weigelt, H. A. El-Nakhal, J. Hell and J. Stets. 1992. Correlation of nonmarine Cretaceous strata of Africa and the Middle East. Cretaceous Research 13:273-318
- ^ Weishampel, et al. (2004). "Dinosaur distribution" Pp. 517-607. in Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2. " Pp. 517-607.