Gneiss and Charnockite Definition

Definition of Gneiss and Charnockite

The general Gneiss and Charnockite 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, Charnockite is a variety of granite containing minerals like orthopyroxene, quartz, and feldspar. Along with definition of Gneiss and Charnockite, get to know about Properties of Gneiss and Charnockite. Get to know more information about Gneiss and Charnockite origin and discoverer, etymology and class.

History of Gneiss and Charnockite

The history of Gneiss and Charnockite 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 Charnockite Origin and Discoverer

Gneiss and Charnockite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Gneiss and Charnockite. In this section, you will know about Gneiss and Charnockite Origin and Discoverer. Origin of Gneiss is Unknown whereas Origin of Charnockite is Tamil Nadu, India. It is interesting to know the name of Gneiss and Charnockite discoverer. The Discoverer of Gneiss is Unknown and the discoverer of Charnockite is T. H. Holland.

Etymology of Gneiss and Charnockite

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

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