Scopulus

In planetary geology, a scopulus (pl. scopuli, from Greek σκόπελος `peak`) is a lobate or irregular escarpment. In the early 1970s, the International Astronomical Union (IAU) adopted scopulus as one of a number of official descriptor terms for topographic features on Mars and other planets and satellites. One justification for using neut..
Found on http://en.wikipedia.org/wiki/Scopulus

scopulus

A lobate or irregular scarp.
Found on http://www.solarviews.com/eng/terms.htm
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