Stone : mylonitic granite
Type : metamorphic rock derived from a magmatic rock
Age : 310 million years
Quarry : Poulmarh, Grand Champ (Morbihan)
![](local/cache-vignettes/L1920xH1032/a7c1e47efd9b1a4fba2cf8e97cd3be-c7b4b.jpg?1711119965)
Stone : mylonitic granite
Type : metamorphic rock derived from a magmatic rock
Age : 310 million years
Quarry : Poulmarh, Grand Champ (Morbihan)