xenolith

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Related to xenolithic: xenocryst, Autolith

xen·o·lith

 (zĕn′ə-lĭth′, zē′nə-)
n.
A rock fragment foreign to the igneous mass in which it occurs.

xenolith

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

xen•o•lith

(ˈzɛn l ɪθ, ˈzin-)

n.
a rock fragment foreign to the igneous rock in which it is embedded.
[1900–05]
xen`o•lith′ic, adj.

xenolith

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"
Translations
xénolite
References in periodicals archive ?
The geologic model developed from the consistent pattern of finding PGM rich anorthositic rocks just to the east of a xenolithic contact zone between the troctolite of the SKI and the Anorthositic Series (AN-Series).
Hogan and Sinha (1989) included all of the mafic-intermediate plutonic rocks between the Baring and Red Beach granite bodies in the Calais gabbro/diorite; however, we use the term Calais Quartz Diorite only for the gabbro-diorite intrusive complex of Ludman and Hill (1986, 1990), which also contains a substantial component of granite and metasedimentary xenolithic material.
051 carats were found in the xenolithic material compared to 67 and 87 for the matrix and ROM, respectively.
The program's objective will be to determine the type of rock processing application that will most effectively separate the evidently highly diamondiferous xenolithic nodules from their essentially diamond-barren host-rock matrix.