slickensides
In mining, polished and striated surfaces of the rock, often seen on the walls of fissure-veins, and the result of motion. under immense pressure, of parts of the country-rock, or of the mass of the vein itself.
nounThe smooth, striated, or partially polished surfaces of a fissure or seam, supposed to have been produced by the sliding of one surface on another.
nounA variety of galena found in Derbyshire, England.
nounPlural form of
