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Metamorphic Grade Describes the Intensity or Degree of Metamorphism

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Essay

Metamorphic grade describes the intensity or degree of metamorphism.The metamorphic grade of a rock is determined mainly by the temperature and amount of recrystallization or neocrystallization to which a rock is subjected.List the following rocks in order from low-grade to high-grade metamorphic rocks,then describe the changes seen in the suite of rocks as the grade is increased: gneiss,slate,schist,phyllite,and migmatite.


Definitions:

Locomotion

The ability to move from one place to another, which can be observed in all animals and involves various forms of movement.

High Concentration

A condition where a substance exists in a large amount relative to its volume or area, often relevant in chemical solutions.

Low Concentration

A term describing a solution that contains a relatively small amount of solute compared to the solvent.

Midsagittal

Anatomical term that refers to the plane that runs lengthwise down the midline of the body, dividing it into equal left and right halves.

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