a. Characteristic of, pertaining to, or consisting of residuum; remaining
essentially in place after all but the least soluble constituents have
been removed.
b. Standing, as a remnant of a formerly greater mass of rock or area of
land, above a surrounding area that has been generally planed; said of
some rocks, hills, mesas, and groups of such features.
Source:
Dictionary of Mining, Mineral, and Related Terms
