Nephelinite and Tephrite Definition

Definition of Nephelinite and Tephrite

The general Nephelinite and Tephrite definition can be stated as: Nephelinite is a fine-grained or aphanitic igneous rock made up almost entirely of nepheline and clinopyroxene (variety augite).. On the other hand, Tephrite is an aphanitic to porphyritic textured, volcanic igneous rock. Along with definition of Nephelinite and Tephrite, get to know about Properties of Nephelinite and Tephrite. Get to know more information about Nephelinite and Tephrite origin and discoverer, etymology and class.

History of Nephelinite and Tephrite

The history of Nephelinite and Tephrite 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.

Nephelinite and Tephrite Origin and Discoverer

Nephelinite and Tephrite definition gives us a brief idea about the two rocks. In some cases, the definition also gives summary about the Formation of Nephelinite and Tephrite. In this section, you will know about Nephelinite and Tephrite Origin and Discoverer. Origin of Nephelinite is Brazil whereas Origin of Tephrite is Germany. It is interesting to know the name of Nephelinite and Tephrite discoverer. The Discoverer of Nephelinite is Unknown and the discoverer of Tephrite is Van Tooren.

Etymology of Nephelinite and Tephrite

Along with Nephelinite and Tephrite definition, know more about the etymology of Nephelinite and Tephrite. Etymology of Nephelinite and Tephrite gives information about origin and formation of a particular rock. Know more about Formation of Nephelinite and Formation of Tephrite. The etymology of Nephelinite is from French néphéline, from Greek nephelē while that of Tephrite is from French néphéline, from Greek nephelē. The process of formation of rocks defines the class of rock. All the rocks in a class are formed by similar processes. Nephelinite and Tephrite belong to Igneous Rocks. The sub-class, group and other categories of Nephelinite and Tephrite are listed below.

For Nephelinite,

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

For Tephrite,

• Sub-class: Durable Rock and Hard Rock
• Group: Volcanic
• Other Categories: Coarse grained rock, Fine grained rock, Medium grained rock and Opaque rock