Pissot Formation
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 | Pissot Formation (France) Show map of FrancePissot 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.[1]
Fossil content
The following fossils have been reported from the formation:[1][2][3]
Trilobites
- Dalmanitina (Eodalmanitina) destombesi
- Morgatia hupei
- Dionide sp.
See also
References
- ^ a b 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