The Marnes Irisees Superieures Formation is a geological
formation
Formation may refer to:
Linguistics
* Back-formation, the process of creating a new lexeme by removing or affixes
* Word formation, the creation of a new word by adding affixes
Mathematics and science
* Cave formation or speleothem, a secondar ...
in
France. It dates back to the
Late Triassic .
[Weishampel, David B; et al. (2004). "Dinosaur distribution (Late Triassic, Europe)." In: Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. Pp. 521–525. .]
Vertebrate fauna
See also
*
List of dinosaur-bearing rock formations
References
{{Reflist
Triassic System of Europe
Norian Stage