rain pillar

rain pillar

[′rān ‚pil·ər]
(geology)
A minor landform consisting of a column of soil or soft rock capped and protected by pebbles or concretions, produced by the differential erosion from the impact of falling rain.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Today, infrequent but hard rains continue sculpting the vulnerable soils into buttes, tablelands, and valleys punctuated by gravity-defying ledges and monumental outcrops called "rain pillars."
Good times in the Badlands
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