The Pacific Rim Complex is exposed in a fault-bounded slice along the west coast of Vancouver Island. It is divided into two parts: (I) the Ucluth Formation, a basement unit composed of lower Mesozoic arc-volcanic rocks, and (2) a suprajacent sedimentary se­ quence, more than 2 km thick, composed of Lower Cretaceous olistostromal melanges. An unconformity is present, at least locally, at the Uc...

Along the western margin of the Taconic orogen in New York and Vermont, undeformed quartz-calcite veins commonly occur in the belt of melange that formed beneath the westward-advancing Taconic Allochthon during the Middle-Late Ordovician Taconic orogeny. The veins have mineral slickenfibers recording either reverse or normal slip. In New York, the reverse-motion veins recording the latest phase...