The rocks and fossils of the Saint-Pierre and Miquelon archipelago are an open-air museum illustrating over 600 million years of geological history.
This guide to the geological curiosities of the Saint-Pierre and Miquelon areas has been produced for a non-specialist readership to help understanding the formation of the four islands and their iconic sandy isthmus.
The extraordinary geological heritage of the Saint-Pierre and Miquelon islands comes alive through the presentation of twenty outstanding sites that are easy to reach on land or from the sea.
The walking trails in this guide echo those described in the Nature Guide produced by the Nature and Environment Centre.
List of 20 geological sites of particular interest
- Submarine lava at Pointe du Diamant
- Glacial striations at Pointe du Diamant
- Deposits from explosive eruptions at Cap aux Basques
- Collapse breccia at Tête de Galantry
- Pyroclastic flows on Ile aux Marins
- A geological unconformity at Anse à Henry
- A trondhjemite intrusion on Cap Blanc
- Metagraywackes at Le Calvaire
- Diorites on Cap de Miquelon
- Dolerites at Rocher de l'Échelle
- Andesites at Pointe de Belliveau
- The Miquelon-Langlade isthmus
- Trilobites at Anse aux Soldats
- Thrust fault on Cap Percé islet
- The cliffs around Anse à Ross
- Traces of ancient life at Pointe à la Gazelle
- Siltstone at Voiles Blanches
- Geological folds from Cap Coupé to Cap Bleu
- A glacial trough on Pointe Plate
- Raised beaches at Petit Barachois.
Existe en version Française, Avalable in french here : Curiosités géologiques Saint-Pierre-et-Miquelon
