Xenolith

A xenolith (foreign rock) is a rock fragment which becomes enveloped in a larger rock during the latter`s development and hardening. In geology, the term xenolith is almost exclusively used to describe inclusions in igneous rock during magma emplacement and eruption. Xenoliths may be engulfed along the margins of a magma chamber, torn loose from ....
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xenolith

[n] - (geology) a piece of rock of different origin from the igneous rock in which it is embedded
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xenolith

noun (geology) a piece of rock of different origin from the igneous rock in which it is embedded
Found on https://www.encyclo.co.uk/local/20974

Xenolith

A foreign inclusion in an igneous rock.
Found on http://www.encyclo.co.uk/local/20206

Xenolith

A fragment of country rock enclosed in an intrusive rock.
Found on http://www.libertystaruranium.com/miningexplained/mining-geology-glossary/

xenolith

A piece of rock having a different origin from the igneous rock in which it is found.
Found on http://www.scientificpsychic.com/etc/geology-glossary.html

Xenolith

A preexisting rock that has been incorporated into magma without melting. When the magma crystallize
Found on http://www.encyclo.co.uk/local/22392

xenolith

a rock fragment that is foreign to the mass in which it is embedded
Found on http://www.pbs.org/wgbh/nova/volcano/glossary.html

xenolith

fragment of extraneous rock embedded in magma or another rock
Found on http://phrontistery.info/x.html

xenolith

rock fragment within an intrusive igneous body that is unrelated to the igneous body itself. Xenoliths, which represent pieces of older rock ... [2 related articles]
Found on http://www.britannica.com/eb/a-z/x/1

xenolith

see inclusion
Found on http://www.ge-at.iastate.edu/glossary-of-geologic-terms/
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