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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.


(Geological Science) a fragment of rock differing in origin, composition, structure, etc, from the igneous rock enclosing it
ˌxenoˈlithic adj


(ˈzɛn l ɪθ, ˈzin-)

a rock fragment foreign to the igneous rock in which it is embedded.
xen`o•lith′ic, adj.


a fragment of rock embedded in another kind of rock.
See also: Geology
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"
References in periodicals archive ?
The xenoliths used in the study had tiny gold particles, as thin as human hai
The Crust-Mantle and Lithosphere-Asthenosphere Boundaries: Insights From Xenoliths, Orogenic Deep Sections, and Geophysical Studies
These range from mafic xenoliths (probably derived from the foundation), to greyish granitic/aplitic autoliths themselves containing dark enclaves in rare instances.
Many of these plutons, regardless of age, share characteristics such as the occurrence of pegmatite pods that locally contain tourmaline or beryl, garnetiferous aplitic dykes, and inclusions or enclaves of paragneiss ranging in size from small xenoliths to large roof pendants.
1999): Nature and composition of the lower continental crust in central Spain and the granulite-granite linkage: inferences from granulitic xenoliths.
3-D X-ray tomography of diamondiferous mantle eclogite xenoliths, Siberia: A review.
It was described from ultramafic xenoliths in carbonatites (Gaspar, 1992) and kimberlites (McGetehin et al.
Unit J (< 24 cm): Massive tephra layer with blocks (<15 cm diameter), scoriaceous bombs (15-25 diameter) and lapilli-bearing (juvenile scoria, xenoliths and hydrothermally altered rocks) coarse ash layer with weak reverse grading.
He discusses the impact of meteors, the geology of shield areas and their associated rocks and minerals, pegmatite and pegmatite minerals, early minerals and rocks associated with the formation of the atmosphere, unusual minerals linked to early limestone-like rocks, greenstone belts and their connection to the earth's gold deposits, marble and quartz, and xenoliths in igneous granite.