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metamorphism Definition

meta·mor·phism (-môr′fiz′əm)

noun

  1. metamorphosis
  2. change in the mineralogical, structural, or textural composition of rocks under pressure, heat, chemical action, etc., which turns limestone into marble, granite into gneiss, etc.

metamorphism Usage Examples

Preposition: of

  • rock: It is likely that contact metamorphism of sedimentary rocks will dominate the answers.

Preposition: in

  • region: Two episodes of monazite crystallization during prograde metamorphism in the Everest region, Nepalese Himalaya.

Adjective modifier

  • regional: Regional Metamorphism refers to large scale metamorphic rock regions associated with mountain building from tectonic activity.
  • crustal: Simon Harley, Professor of Lower Crustal Processes, is studying deep crustal metamorphism in the granulites of East Antarctica.
  • retrograde: Further local retrograde metamorphism ( possibly by dislocation ) has resulted in the formation of epidote.
  • local: Further local retrograde metamorphism ( possibly by dislocation ) has resulted in the formation of epidote.
  • prograde: Two episodes of monazite crystallization during prograde metamorphism in the Everest region, Nepalese Himalaya.

Noun used with modifier

  • granulite-facies: The history of granulite-facies metamorphism and crustal growth from single zircon U-Pb geochronology: Namaqualand, South Africa.