Textbook example of a sheath fold (Ile de Groix, Brittany, France) PhotoID 619
Textbook example of a sheath fold (Ile de Groix, Brittany, France) PhotoID 619
Photograph: Manuel Sintubin (K.U.Leuven)
Reference: Quinquis, H., Audren, C., Brun, J.-P. & Cobbold, P. R. 1978. Intense progressive shear in Ile de Groix blueschists and compatibility with subduction or obduction. Nature 273, 43-45. doi:10.1038/273043a0