Gneiss and Pyroxenite Definition

Definition of Gneiss and Pyroxenite

The general Gneiss and Pyroxenite 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, Pyroxenite is a dark, greenish, granular intrusive igneous rock consisting mainly of pyroxenes and olivine. Along with definition of Gneiss and Pyroxenite, get to know about Properties of Gneiss and Pyroxenite. Get to know more information about Gneiss and Pyroxenite origin and discoverer, etymology and class.

History of Gneiss and Pyroxenite

The history of Gneiss and Pyroxenite 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 Pyroxenite Origin and Discoverer

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

Etymology of Gneiss and Pyroxenite

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

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