Gneiss and Greenschist Definition

Definition of Gneiss and Greenschist

The general Gneiss and Greenschist definition can be stated as: 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. On the other hand, Greenschist is a metamorphic rock that is formed under lowest temperatures and pressures and is usually produced by regional metamorphism. Along with definition of Gneiss and Greenschist, get to know about Properties of Gneiss and Greenschist. Get to know more information about Gneiss and Greenschist origin and discoverer, etymology and class.

History of Gneiss and Greenschist

The history of Gneiss and Greenschist gives information about where the rock was found and who was its discoverer. Almost each and every aspect of Earth's history is recorded in rocks be it the volcanoes which were erupted or the plants, animals and organisms which are now extinct, as rocks are present from millions of years.

Gneiss and Greenschist Origin and Discoverer

Gneiss and Greenschist definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Gneiss and Greenschist. In this section, you will know about Gneiss and Greenschist Origin and Discoverer. Origin of Gneiss and Greenschist are Unknown. It is interesting to know the name of Gneiss and Greenschist discoverer. The discoverer of Gneiss and Greenschist are Unknown.

Etymology of Gneiss and Greenschist

Along with Gneiss and Greenschist definition, know more about the etymology of Gneiss and Greenschist. Etymology of Gneiss and Greenschist gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Greenschist. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Greenschist is From the Middle High German verb gneist (to spark; so called because the rock glitters). The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Gneiss and Greenschist belong to Metamorphic Rocks. The sub-class, group and other categories of Gneiss and Greenschist are listed below.

For Gneiss,

• Sub-class: Durable Rock and Hard Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Medium grained rock and Opaque rock

For Greenschist,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Not applicable
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock