Norite and Phonolite Definition

Definition of Norite and Phonolite

The general Norite and Phonolite 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, Phonolite is an uncommon extrusive igneous rock volcanic rock of intermediate chemical composition between felsic and mafic. Along with definition of Norite and Phonolite, get to know about Properties of Norite and Phonolite. Get to know more information about Norite and Phonolite origin and discoverer, etymology and class.

History of Norite and Phonolite

The history of Norite and Phonolite 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 Phonolite Origin and Discoverer

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

Etymology of Norite and Phonolite

Along with Norite and Phonolite definition, know more about the etymology of Norite and Phonolite. Etymology of Norite and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Norite and Formation of Phonolite. The etymology of Norite is From the Norwegian name for Norway, Norge while that of Phonolite 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 and Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Norite and Phonolite are listed below.

For Norite,

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

For Phonolite,

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