The Collaborative International Dictionary
Slickensides
Slickensides \Slick"en*sides`\, n.
The smooth, striated, or partially polished surfaces of a fissure or seam, supposed to have been produced by the sliding of one surface on another.
A variety of galena found in Derbyshire, England.
Wiktionary
slickensides
n. (plural of slickenside English)
Usage examples of "slickensides".
The butter-coloured cone of lamplight shone on wet gravel, on tumbled chunks of gneiss, on a treacherous slickensides incline, and on .