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Related to Xenoliths: Phreatomagmatic, Phenocrysts, Plutons


 (zĕn′ə-lĭth′, zē′nə-)
A rock fragment foreign to the igneous mass in which it occurs.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Geological Science) a fragment of rock differing in origin, composition, structure, etc, from the igneous rock enclosing it
ˌxenoˈlithic adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈzɛn l ɪθ, ˈzin-)

a rock fragment foreign to the igneous rock in which it is embedded.
xen`o•lith′ic, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


a fragment of rock embedded in another kind of rock.
See also: Geology
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.xenolith - (geology) a piece of rock of different origin from the igneous rock in which it is embeddedxenolith - (geology) a piece of rock of different origin from the igneous rock in which it is embedded
geology - a science that deals with the history of the earth as recorded in rocks
rock, stone - a lump or mass of hard consolidated mineral matter; "he threw a rock at me"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
For example, xenoliths in Eastern Australian basalts are a good source of mantle peridotite.
Those granites are sometimes concordant and reveal in some areas xenoliths of ancient metamorphic rocks; they are massive and the most important ones are observed in the SE part of Sesse basin, between Yoko and Mankin [10].
For the study, researchers analyzed xenoliths, which are small fragments from the planet's mantle brought to the surface through volcano eruptions.
The Crust-Mantle and Lithosphere-Asthenosphere Boundaries: Insights From Xenoliths, Orogenic Deep Sections, and Geophysical Studies
Tang, "Iron isotope variations in spinel peridotite xenoliths from North China Craton: Implications for mantle metasomatism," Contributions to Mineralogy and Petrology, vol.
These range from mafic xenoliths (probably derived from the foundation), to greyish granitic/aplitic autoliths themselves containing dark enclaves in rare instances.
(1999): Nature and composition of the lower continental crust in central Spain and the granulite-granite linkage: inferences from granulitic xenoliths. Journal of Petrology 40, 1465-1496.
3-D X-ray tomography of diamondiferous mantle eclogite xenoliths, Siberia: A review.