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Xenolith - Wikipedia To be considered a true xenolith, the included rock must be identifiably different from the rock in which it is enveloped; an included rock of similar type is called an autolith or a cognate inclusion
Xenolith - Education Most of the time, a xenolith is a rock embedded in magma while the magma was cooling Magma is the molten rock beneath Earth's crust that emerges as lava during a volcanic eruption
What Are Xenoliths and How Are They Important | Geology Base It means foreign rocks Why are they important? Geologists use them to understand the inaccessible mantle and deeper crust Also, some may contain precious minerals or gemstones Greenish peridotite xenolith in black basalt lava from Arizona, USA Photo credit: James St John, CC BY 2 0, via Wikimedia Commons
Xenolith | Igneous Rocks, Magma Chambers Intrusions | Britannica Xenoliths are usually reconstituted through the processes of contact metamorphism, in which heat and fluids cause mineralogic and chemical changes in the parent rock of the xenolith; a study of these changes can give information on the temperature and composition of the magmatic body
ALEX STREKEISEN-Xenolith- Xenoliths Xenolith is rock fragment within an intrusive igneous body that is unrelated to the igneous body itself
Xenolith - an overview | ScienceDirect Topics Xenolith-bearing volcanics and kimberlites occur in many different tectonic settings, giving a wide lateral sampling of the continents Lower crustal xenoliths from arc volcanics are chiefly mafic in composition and sediments are rare to absent
Xenolith and xenocrystal - Geology is the Way Xenolith and xenocrystal Xenoliths are fragments of older rocks included in younger igneous rocks Xenoliths form when magma migrates within the lithosphere incorporating pieces of other rocks within it
Xenoliths Xenocrysts - Earth Sci A xenolith may lose its unique qualities if it melts into the surrounding magma As it cools, the material may cease being a xenolith at all and become a metamorphic rock