Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The process by which the chemical composition of a rock is changed by interaction with fluids; replacement of one mineral by another without melting.

from The Century Dictionary.

  • noun Same as metasomatosis.
  • noun chemical change occurring in a body of ore or in a rock-mass at a considerable depth in the earth's crust: distinguished from weathering, which occurs at or near the surface.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Geol.) An alteration in a mineral or rock mass when involving a chemical change of the substance, as of chrysolite to serpentine; -- opposed to ordinary metamorphism, as implying simply a recrystallization.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun geology the process by which the bulk chemical composition of a rock is changed by the introduction of components from an external source, especially by a hydrothermal fluid

Etymologies

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Examples

  • Rebirth has been addressed in different ways such as reincarnation, metempsychosis, transmigration, reem bodiment, metasomatism, and even as polingenesis and resurrection.

    unknown title 2009

  • The evidence suggests that this might be an IOCG type deposit but also has potential for an iron skarn deposit linked to contact metasomatism.

    StreetInsider.com News Articles 2009

  • The evidence suggests that this might be an IOCG type deposit but also has potential for an iron skarn deposit linked to contact metasomatism.

    unknown title 2009

  • The evidence suggests that this might be an IOCG type deposit but also has potential for an iron skarn deposit linked to contact metasomatism.

    The Earth Times Online Newspaper 2009

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