Ankarafantsika Formation Explained

Ankarafantsika Formation
Type:	Geological formation
Period:	Cenomanian
Prilithology:	Sandstone
Namedfor:	Ankarafantsika National Park
Region:	Boeny, Mahajanga Province
Coordinates:	-16.4°N 46.9°W
Paleocoordinates:	-37.8°N 36.6°W
Underlies:	Basalt
Extent:	Mahajanga Basin

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

The following fossils have been reported from the formation:

• Sauropoda indet.^{[1] [3]}

See also

• List of dinosaur-bearing rock formations
• List of stratigraphic units with indeterminate dinosaur fossils
• List of fossiliferous stratigraphic units in Madagascar
• Geology of Madagascar

Notes and References

1. https://paleobiodb.org/classic/displayCollResults?collection_no=178526 Southeast of Marovoay
2. 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
3. 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. . " Pp. 517-607.