Armorican Massif

The Armorican Massif is a large, ancient geological region in northwestern France characterized by exposed rocks and rugged landscape. It formed over 300 million years ago during long periods of mountain-building and erosion, shaping the area’s current terrain. Comprising mainly metamorphic and granite rocks, it is part of the European crust and has influenced local geology, landscapes, and landscapes. The massif includes regions like Brittany and Normandy, serving as a historical and geological centerpiece that provides insights into Earth's early geological processes.