scoria cone
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Related to scoria cone: Cinder cones
scoria cone
[′skȯr·ē·ə ‚kōn] (geology)
A volcanic cone composed of a vesicular, cindery crust on the surface of lava that is basaltic or andesitic in nature.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.