Gneiss and Litchfieldite Definition

Definition of Gneiss and Litchfieldite

The general Gneiss and Litchfieldite 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, Litchfieldite is a rare igneous rock which is coarse-grained, foliated and a variety of nepheline syenite, sometimes also called as nepheline syenite gneiss or gneissic nepeheline syenite. Along with definition of Gneiss and Litchfieldite, get to know about Properties of Gneiss and Litchfieldite. Get to know more information about Gneiss and Litchfieldite origin and discoverer, etymology and class.

History of Gneiss and Litchfieldite

The history of Gneiss and Litchfieldite 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 Litchfieldite Origin and Discoverer

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

Etymology of Gneiss and Litchfieldite

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

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