Nepheline Syenite and Norite Definition

Definition of Nepheline Syenite and Norite

The general Nepheline Syenite and Norite definition can be stated as: Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. On the other hand, Norite is a mafic intrusive igneous rock composed largely of the calcium-rich plagioclase labradorite, orthopyroxene, and olivine. Along with definition of Nepheline Syenite and Norite, get to know about Properties of Nepheline Syenite and Norite. Get to know more information about Nepheline Syenite and Norite origin and discoverer, etymology and class.

History of Nepheline Syenite and Norite

The history of Nepheline Syenite and Norite 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.

Nepheline Syenite and Norite Origin and Discoverer

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

Etymology of Nepheline Syenite and Norite

Along with Nepheline Syenite and Norite definition, know more about the etymology of Nepheline Syenite and Norite. Etymology of Nepheline Syenite and Norite gives information about origin and formation of a particular rock. Know more about Formation of Nepheline Syenite and Formation of Norite. The etymology of Nepheline Syenite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China while that of Norite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nepheline Syenite and Norite belong to Igneous Rocks. The sub-class, group and other categories of Nepheline Syenite and Norite are listed below.

For Nepheline Syenite,

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

For Norite,

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