Nephelinite and Theralite Definition

Definition of Nephelinite and Theralite

The general Nephelinite and Theralite 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, Theralite is a plutonic hylocrystalline igneous rock consisting of augite, olivine, calcic plagioclase and nepheline. Along with definition of Nephelinite and Theralite, get to know about Properties of Nephelinite and Theralite. Get to know more information about Nephelinite and Theralite origin and discoverer, etymology and class.

History of Nephelinite and Theralite

The history of Nephelinite and Theralite 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 Theralite Origin and Discoverer

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

Etymology of Nephelinite and Theralite

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

For Nephelinite,

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

For Theralite,

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