Yarweelor Gneiss (reworked Yilgarn gneiss – protolith 3.7-2.4 Ga). Gneissic layering (trending NS) is cut by an EW foliation associated with folds. The layering is probably an older Narryer direction and the folds are formed during D1-D2 in the Erabiddy shear zone.
PhotoID472
Yarweelor Gneiss (reworked Yilgarn gneiss – protolith 3.7-2.4 Ga). Gneissic layering (trending NS) is cut by an EW foliation associated with folds. The layering is probably an older Narryer direction and the folds are formed during D1-D2 in the Erabiddy shear zone.
PhotoID472
Photograph: Cees Passchier