accretionary lapilli


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Related to accretionary lapilli: lapillus

accretionary lapilli

[ə′krē·shən‚er·ē lə′pi·lē]
(geology)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Accretionary lapilli are uncommon, suggesting water contents of the surges were low.