Gneiss and Peridotite Definition

Definition of Gneiss and Peridotite

The general Gneiss and Peridotite 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, Peridotite is a dense, coarse-grained plutonic is the main constituent of the earth's mantle. Along with definition of Gneiss and Peridotite, get to know about Properties of Gneiss and Peridotite. Get to know more information about Gneiss and Peridotite origin and discoverer, etymology and class.

History of Gneiss and Peridotite

The history of Gneiss and Peridotite 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 Peridotite Origin and Discoverer

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

Etymology of Gneiss and Peridotite

Along with Gneiss and Peridotite definition, know more about the etymology of Gneiss and Peridotite. Etymology of Gneiss and Peridotite gives information about origin and formation of a particular rock. Know more about Formation of Gneiss and Formation of Peridotite. The etymology of Gneiss is From the Middle High German verb gneist (to spark; so called because the rock glitters) while that of Peridotite 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 belongs to Metamorphic Rocks while Peridotite belongs to Igneous Rocks. The sub-class, group and other categories of Gneiss and Peridotite 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 Peridotite,

• Sub-class: Durable Rock and Medium Hardness Rock
• Group: Plutonic
• Other Categories: Coarse grained rock and Opaque rock