Typical example of the S-shaped folds with many ptygmatically folded quartz veins<br />. PhotoID111
Typical example of the S-shaped folds with many ptygmatically folded quartz veins<br />. PhotoID111
Photograph: Paul Bons, Tübingen
Typical example of the S-shaped folds with many ptygmatically folded quartz veins<br />. PhotoID111
Typical example of the S-shaped folds with many ptygmatically folded quartz veins<br />. PhotoID111
Photograph: Paul Bons, Tübingen