Geometry, microstructures, and magnetic fabrics of kink bands in the Darrington Phyllite, northwestern Washington, USA: Processes within fixed-hinge kinking

► We describe features of centimeter-scale, low-strain, contractional kink bands. ► Kink bands in this location formed dominantly via fixed-hinge, rotational kinking. ► AMS indicates deformation inside kink bands requires more than simple rotation. ► Dilation and interlayer slip operated inside most kink bands. ► Pressure solution operated inside “locked” kink bands only.