σ-type porphyroclast of K-feldspar in the strongly sheared augengneisses of the Aiguilles Rouges Massif. Dextral sense of shear. PhotoID821
σ-type porphyroclast of K-feldspar in the strongly sheared augengneisses of the Aiguilles Rouges Massif. Dextral sense of shear. PhotoID821
Photograph: Matteo Simonetti