E. Legoff et al., STRUCTURES AND STRAIN FIELD WITHIN THE CA DOMIAN BELT ON THE WESTERN SIDE OF THE BAIE-DE-ST-BRIEUC (NORTH ARMORICAN MASSIF, FRANCE), Comptes rendus de l'Academie des sciences. Serie 2, Mecanique, physique, chimie, sciences de l'univers, sciences de la terre, 319(2), 1994, pp. 231-238
On the western side of the Baie de St Brieuc, the Cadomian domains hav
e been subjected to a progressive deformation characterized by a N-S t
o NE-SW horizontal shortening within the St Brieuc domain and by an ex
tensional asymmetric dome within the Guingamp domain. Along the contac
t between the two domains, a leucogranite emplaced during deformation
combining extension and dextral wrenching.