Marnes Rouges Inférieures Formation | |
---|---|
Stratigraphic range:
Maastrichtian ~ | |
Type | Geological formation |
Underlies | Calcaires de Vignevieille |
Overlies | Grès d'Alet |
Thickness | Over 150 m (490 ft) |
Lithology | |
Primary | Mudstone |
Other | Sandstone |
Location | |
Coordinates | 42°54′N 2°18′E / 42.9°N 2.3°E |
Approximate paleocoordinates | 34°48′N 2°00′E / 34.8°N 2.0°E |
Region | Occitania |
Country | France |
Type section | |
Named for | French: "Lower Red Marls" |
The Marnes Rouges Inférieures Formation is a Late Cretaceous geologic formation found in the French Pyrenees. It predominantly consists of red mustone, with minor brown mudstone and sandstone. [1] Dinosaurs, dinosaur eggs and avialian stem-birds have been reported from the formation. [2]