| Pissot Formation | |
|---|---|
| Stratigraphic range: Darriwilian-Sandbian (Dobrotivian) ~461–457.5 Ma PreꞒ Ꞓ O S D C P T J K Pg N ↓ | |
 Geologic map of the Armorican Massif | |
| Type | Formation |
| Lithology | |
| Primary | Siltstone |
| Location | |
| Coordinates | 49°00′N 1°00′W / 49.0°N 1.0°W / 49.0; -1.0 |
| Approximate paleocoordinates | 66°54′S 72°12′E / 66.9°S 72.2°E / -66.9; 72.2 |
| Region | Orne |
| Country |  France |
| Extent | Armorican Massif |
  Pissot Formation (France)Show map of France Pissot Formation (Normandy)Show map of Normandy | |
The Pissot Formation is a geologic formation in the Armorican Massif of Normandy, northwestern France. It preserves fossils dating back to the Darriwilian to Sandbian (Dobrotivian in the regional stratigraphy) stages of the Ordovician period.
Fossil content
The following fossils have been reported from the formation:
Trilobites
See also
References
- ^ Pissot Formation at Fossilworks.org
- Henry, 1980
- Henry & Romano, 1978
Bibliography
- J.-L. Henry. 1980. Trilobites ordoviciens du Massif armoricain. Mémoires de la Société Géologique et Minéralogique de Bretagne 22:1-250
- J. L. Henry and M. Romano. 1978. Le genre Dionide Barrande, 1847 (Trilobite) dans l'Ordovicien du Massif Armoricain et du Portugal. Géobios 11(3):327-343