Nephelinite and Andesite Definition

Definition of Nephelinite and Andesite

The general Nephelinite and Andesite 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, Andesite is a dark, fine-grained, brown or greyish intermediate volcanic rock which is a commonly found in lava. Along with definition of Nephelinite and Andesite, get to know about Properties of Nephelinite and Andesite. Get to know more information about Nephelinite and Andesite origin and discoverer, etymology and class.

History of Nephelinite and Andesite

The history of Nephelinite and Andesite 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 Andesite Origin and Discoverer

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

Etymology of Nephelinite and Andesite

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

For Nephelinite,

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

For Andesite,

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