NOUN
- (geology) a piece of rock of different origin from the igneous rock in which it is embedded
How To Use xenolith In A Sentence
- The parental magma for pyroxenite xenoliths could be derived from the partial melting of the asthenosphere with continental crust material involvement and of the upper lithospheric mantle.
- - A fragment (or xenolith) of well mineralized intrusive within barren granodiorite was observed in drill hole MX07-03; Undefined
- It is not known if these xenoliths are spilitic.
- The amphibolite xenoliths were from the upper part of lower crust and the lower part of middle crust, bring up to the shallow area of crust .
- Disintegration of the olivine-rich xenoliths probably accounts for much of the peridot found here, although many of the larger olivine grains occur as isolated anhedral grains embedded in the basalt.
- However, rare xenoliths of sedimentary rocks occur in the granite.
- Rare mafic enclaves, which include both xenoliths of country rock and magma pods more mafic than the host monzogranite, as well as schlieren, are parallel to this compositional banding.
- The basalt, inferred to be of Miocene age, appears to be an alkali basalt that contains xenoliths of ultramafic rocks (peridotite and pyroxenite) up to a few centimeters in size.
- Unless one got carried to the surface as a xenolith! Firestorm
- Usurped the subtlety, the vulnerability of the egg and ham wedding, the pepper xenolith stood firm, yelled to the other flavors and claimed victory, zero-sum taste diplomacy. Tabasco Revenge