Gneiss and Granophyre Definition

Definition of Gneiss and Granophyre

The general Gneiss and Granophyre 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, Granophyre is a type of granitic rock which consists of intergrown feldspar and quartz crystals in a medium to fine grained groundmass. Along with definition of Gneiss and Granophyre, get to know about Properties of Gneiss and Granophyre. Get to know more information about Gneiss and Granophyre origin and discoverer, etymology and class.

History of Gneiss and Granophyre

The history of Gneiss and Granophyre 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 Granophyre Origin and Discoverer

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

Etymology of Gneiss and Granophyre

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

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock