Nephelinite and Adakite Definition

Definition of Nephelinite and Adakite

The general Nephelinite and Adakite 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, Adakite is an intermediate to felsic volcanic rock that has geochemical characteristics of magma which is said to be formed by partial melting of altered basalt that is subducted below volcanic arcs. Along with definition of Nephelinite and Adakite, get to know about Properties of Nephelinite and Adakite. Get to know more information about Nephelinite and Adakite origin and discoverer, etymology and class.

History of Nephelinite and Adakite

The history of Nephelinite and Adakite 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 Adakite Origin and Discoverer

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

Etymology of Nephelinite and Adakite

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

For Nephelinite,

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

For Adakite,

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