transect through fault rock surrounding the Alpine fault (South Island, New Zealand). This
allowed micrometer-to decimeter-scale variations in fault rock lithology and structure to be
delineated on either side of two principal slip zones intersected by DFDP-1A and DFDP-1B.
Here, we provide a comprehensive analysis of fault rock lithologies within 70 m of the Alpine
fault based on analysis of hand specimens and detailed petrographic and petrologic …