Nephelinite and Troctolite Definition

Definition of Nephelinite and Troctolite

The general Nephelinite and Troctolite 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, Troctolite is a mafic intrusive rock type. It consists essentially of major but variable amounts of olivine and calcic plagioclase along with minor pyroxene. It is an olivine-rich anorthosite, or a pyroxene-depleted relative of gabbro. Along with definition of Nephelinite and Troctolite, get to know about Properties of Nephelinite and Troctolite. Get to know more information about Nephelinite and Troctolite origin and discoverer, etymology and class.

History of Nephelinite and Troctolite

The history of Nephelinite and Troctolite 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 Troctolite Origin and Discoverer

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

Etymology of Nephelinite and Troctolite

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

For Nephelinite,

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

For Troctolite,

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