Sables du Castrais Formation
| Sables du Castrais Formation | |
|---|---|
| Stratigraphic range: Eocene, | |
| Type | Geological formation |
| Sub-units |
|
| Underlies | Molasses de Saix et de Lautrec Formation |
| Overlies | Danian rocks |
| Thickness | 15–40 metres (49–131 ft) at the base and at Castelnaudary. 50–100 metres (160–330 ft) at Issel. |
| Lithology | |
| Primary | Sandstone, molasse and conglomerate |
| Other | Gravel clays |
| Location | |
| Coordinates | 43°22′05″N 1°59′26″E / 43.3681°N 1.9906°E |
| Region | Montagne-Noire |
| Country | France |
| Extent | Carcassonne, Castelnaudary, Issel, Réalmont and Saint-Papoul |
| Type section | |
| Named by | M. Richard (1946) |
The Sables du Castrais Formation, also known as the Molasses du Castrais, is a geologic formation of Eocene (Ypresian to Bartonian) age, outcropping in the Montagne-Noire region of France.