Figure F138. Close-up of a localized zone of ductile shearing in a bioturbated mudstone (interval 210-1276A-27R-3, 34-40 cm). The shear component is illustrated by asymmetric folds and elongated burrows that are aligned at a slightly oblique angle to the shear-zone boundaries.

Figure F138. Close-up of a localized zone of ductile shearing in a bioturbated mudstone (interval 210-1276A-27R-3, 34-40 cm). The shear component is illustrated by asymmetric folds and elongated burrows that are aligned at a slightly oblique angle to the shear-zone boundaries.