Dolerite dyke cut by pseudotachylyte lined faults. Vestfold Hills, Antarctica. The Vestfold hills are home to several generations of intrusive dykes and shear zones.
PhotoID81
Dolerite dyke cut by pseudotachylyte lined faults. Vestfold Hills, Antarctica. The Vestfold hills are home to several generations of intrusive dykes and shear zones.
PhotoID81
Photograph: Cees Passchier
Reference: Passchier, C.W., Hoek, J.D., Bekendam, R.F. & de Boorder