The Queyras massif is divided into three geological zones. The western zone of the massif is sedimentary, consisting of limestone, dolomite, and gypsum. The center of the massif is made up of schist (calcschist), while the eastern zone is formed of ophiolites, gabbros, and basalts.[2]
References
^Joanne, Paul (1894). Dauphiné et Savoie (in French). Hachette et Cie. p. 212.