bioclastic rock

bioclastic rock

[¦bī·ō¦klas·tik ′räk]
(petrology)
Rock formed from material broken or arranged by animals, humans, or sometimes plants; a rock composed of broken calcareous remains of organisms.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The number of specimens in the sample from the bioclastic rock exceeds that from the mudstone sample by almost 20 times.