intraformational breccia

intraformational breccia

[¦in·trə‚fȯr′māsh·ən·əl ′brech·ə]
(petrology)
A rock resulting from cracking and desiccation-shrinking of a mud after withdrawal of water followed by almost contemporaneous sedimentation.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.