Gneiss Definition

Gneiss

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Definition

Gneiss is a common and widely distributed type of rock formed by high-grade regional metamorphic processes from pre-existing formations that were originally either igneous or sedimentary rocks

History

Origin

Discoverer

Unknown

Etymology

From the Middle High German verb gneist (to spark; so called because the rock glitters)

Class

Metamorphic Rocks

Sub-Class

Durable Rock, Hard Rock

Family

Group

Other Categories

Coarse Grained Rock, Medium Grained Rock, Opaque Rock

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Define Gneiss

Gneiss is one of the important type of rocks. If we have to define Gneiss in general, . Gneiss comes under Metamorphic Rocks. All have similar properties and formation process. Along with Gneiss Definition, know more about the History of Gneiss, Etymology of Gneiss in next sections.

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