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
- However, rare xenoliths of sedimentary rocks occur in the granite.
- - This diamond discovery was from a multi-phased xenolith-bearing lamprophyre dyke system, approximately 6 metres wide in its surface exposure. Marketwire - Breaking News Releases
- - A fragment (or xenolith) of well mineralized intrusive within barren granodiorite was observed in drill hole MX07-03; - Disseminated molybdenite has recently been observed in intrusive rocks at the 805 mine level, currently below the Z zone described previously; and, - Strong quartz stockwork with molybdenite in biotite hornfels has been observed adjacent to the Ethel zone (Drill Hole MX07-01). FinanzNachrichten.de: Aktuelle Nachrichten
- Partial melting models, isotopic studies and the petrology of entrained ultramafic xenoliths suggest that many basanitic magmas are sourced in the asthenosphere.
- - This diamond discovery was from a multi-phased xenolith-bearing lamprophyre dyke system, approximately 6 metres wide in its surface exposure. Marketwire - Breaking News Releases
- this strikes me as patently false! known direct samples of the mantle at or near the moho are at slow spreading ridges (where both serpentinite and unhydrous mantle rocks are found) and by xenolith (to my knowledge, no serpentinite xenolith has ever been described). At it Again
- In addition to scoria and ash, other volcanic ejecta include blocks, bombs, and xenoliths.
- All three lithologies have abundant mantle xenoliths (eclogite, garnet lherzolite and garnet harzburgite) up to 20 cm in size and abundant mantle-derived garnets. Marketwire - Breaking News Releases
- The odds against one of them getting picked up as a xenolith are probably astronomical. Firestorm
- In similar contrast to the Okenyenya xenolith suite, lithologies such as wehrlite, eclogite and pyroxenite are also absent.