Norite and Gneiss Definition

Definition of Norite and Gneiss

The general Norite and Gneiss definition can be stated as: Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. On the other hand, 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. Along with definition of Norite and Gneiss, get to know about Properties of Norite and Gneiss. Get to know more information about Norite and Gneiss origin and discoverer, etymology and class.

History of Norite and Gneiss

The history of Norite and Gneiss 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.

Norite and Gneiss Origin and Discoverer

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

Etymology of Norite and Gneiss

Along with Norite and Gneiss definition, know more about the etymology of Norite and Gneiss. Etymology of Norite and Gneiss gives information about origin and formation of a particular rock. Know more about Formation of Norite and Formation of Gneiss. The etymology of Norite is From the Norwegian name for Norway, Norge while that of Gneiss is From the Norwegian name for Norway, Norge. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Norite belongs to Igneous Rocks while Gneiss belongs to Metamorphic Rocks. The sub-class, group and other categories of Norite and Gneiss are listed below.

For Norite,

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

For Gneiss,

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