Pissot Formation
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| Pissot Formation | |
|---|---|
| Stratigraphic range: Darriwilian-Sandbian (Dobrotivian) ~ | |
 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 |
| Approximate paleocoordinates | 66°54′S 72°12′E / 66.9°S 72.2°E |
| Region | Orne |
| Country | France |
| Extent | Armorican Massif |
  Pissot Formation (France)  Pissot Formation (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]