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Related to metasomatic: Altered igneous rock


 (mĕt′ə-sō′mə-tĭz′əm) also met·a·so·ma·to·sis (-sō′mə-tō′sĭs)
The process by which the chemical composition of a rock is changed by interaction with fluids; replacement of one mineral by another without melting.

met′a·so·mat′ic (-măt′ĭk) adj.
met′a·so·mat′i·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (Geological Science) geology relating to metasomatism
2. (Zoology) zoology relating to a metasoma
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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and Dietrich, W.F.: 1987, Constitutive mass balance relations between chemical composition, volume, density, porosity and strain in metasomatic hydrothermal systems: Results on weathering pedogenesis.
The magnetite deposits (lenticular and irregular in shape) of metasomatic nature occur in garnet epidote metavolcanosedimentary rocks intruded by granodiorite found close to Karakoram Suture/Shyok Suture.
The sample is characterised by banded baritic lead ore from a metasomatic deposit hosted by limestone; galena grains in dark bands can be recognized with coarse-grained white barite lenses and fine-grained limonitic matrix.
Around the Montepuez Belt, ruby formations seem to have resulted mainly from a metasomatic process, when fluid derived from the parental magma interacted with the host rocks in a low-silica environment.
The corresponding SEM images (Figure 4) confirmed that the hematite ore consisted mainly of scaly, acicular, cryptocrystalline, and metasomatic textures, with a sand consolidation structure (rarely, with an oolitic structure).
Beryl formation appears to be controlled by upthrust faults and fractures that juxtaposed them with Cr-bearing ophiolitic units and a regime of metasomatic reactions.
According to Wikipedia, "Synonyms to the word metasomatism are metasomatose and metasomatic process.
Ga/Mg supported a metasomatic origin for these sapphires.
Though the ascension is a metaempirical event, it does not imply for the ascended Jesus a metasomatic or disincamate state" (59-60).