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a. A horizontal shelf or ledge built into the embankment or sloping wall
of an open pit or quarry to break the continuity of an otherwise long
slope and to strengthen its stability or to catch and arrest slide
material. A berm may be used as a haulage road or serve as a bench above
which material is excavated from a bank or bench face. CF:
bench
b. The space left between the upper edge of a cut and the toe of an
embankment. Seelye, 1
c. An artificial ridge of earth. Nichols, 2
d. Terraces that originate from the interruption of an erosion cycle with
rejuvenation of a stream in the mature stage of its development and
renewed dissection, leaving remnants of the earlier valley floor above
flood level. AGI
e. A nearly horizontal portion of the beach or backshore formed by the
deposit of material by wave action. Some beaches have no berms; others
have one or several. See also: bank height
Source:
Dictionary of Mining, Mineral, and Related Terms
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