Gneiss and Skarn Definition

Definition of Gneiss and Skarn

The general Gneiss and Skarn 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, Skarns are formed during regional or contact metamorphism and from a variety of metasomatic processes involving fluids of magmatic, metamorphic, and/or marine origin. Along with definition of Gneiss and Skarn, get to know about Properties of Gneiss and Skarn. Get to know more information about Gneiss and Skarn origin and discoverer, etymology and class.

History of Gneiss and Skarn

The history of Gneiss and Skarn 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 Skarn Origin and Discoverer

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

Etymology of Gneiss and Skarn

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

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