The Piégut-Pluviers Granodiorite is situated at the northwestern edge of the Variscan Massif Central in France. Its cooling age has been determined as 325 ± 14 million years BP (Upper Mississippian, Serpukhovian). == Geographical situation == The Granodiorite was named after Piégut-Pluviers, a small town in the Arrondissement of Nontron in the ...