Slickenside

Slickenlines at 500m depth in a Permian sandstone

In geology, a slickenside is a smoothly polished surface caused by frictional movement between rocks along a fault. This surface is typically striated with linear features, called slickenlines, in the direction of movement.[1]

  1. ^ Tjia, H. D. (1964). "Slickensides and Fault Movements". Geological Society of America Bulletin. 75 (7): 683–686. doi:10.1130/0016-7606(1964)75[683:SAFM]2.0.CO;2.