Nepheline Syenite and Phonolite Definition

Definition of Nepheline Syenite and Phonolite

The general Nepheline Syenite and Phonolite definition can be stated as: Nepheline Syenite is a holocrystalline plutonic rock resembling syenite but containing nepheline and lacking quartz. 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 Nepheline Syenite and Phonolite, get to know about Properties of Nepheline Syenite and Phonolite. Get to know more information about Nepheline Syenite and Phonolite origin and discoverer, etymology and class.

History of Nepheline Syenite and Phonolite

The history of Nepheline Syenite 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.

Nepheline Syenite and Phonolite Origin and Discoverer

Nepheline Syenite and Phonolite 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 Phonolite. In this section, you will know about Nepheline Syenite and Phonolite Origin and Discoverer. Origin of Nepheline Syenite and Phonolite are Unknown. It is interesting to know the name of Nepheline Syenite and Phonolite discoverer. The discoverer of Nepheline Syenite and Phonolite are Unknown.

Etymology of Nepheline Syenite and Phonolite

Along with Nepheline Syenite and Phonolite definition, know more about the etymology of Nepheline Syenite and Phonolite. Etymology of Nepheline Syenite and Phonolite gives information about origin and formation of a particular rock. Know more about Formation of Nepheline Syenite and Formation of Phonolite. The etymology of Nepheline Syenite is From origin of a Palaeozoic nepheline syenite from northern Shanxi Province, China while that of Phonolite 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 Phonolite belong to Igneous Rocks. The sub-class, group and other categories of Nepheline Syenite and Phonolite 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 Phonolite,

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